201481995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 406425600

約数和(自身を除く): 204943605

約数列:

[1, 3, 5, 11, 13, 15, 29, 33, 39, 41, 55, 65, 79, 87, 123, 143, 145, 165, 195, 205, 237, 319, 377, 395, 429, 435, 451, 533, 615, 715, 869, 957, 1027, 1131, 1185, 1189, 1353, 1595, 1599, 1885, 2145, 2255, 2291, 2607, 2665, 3081, 3239, 3567, 4147, 4345, 4785, 5135, 5655, 5863, 5945, 6765, 6873, 7995, 9717, 11297, 11455, 12441, 13035, 13079, 15405, 15457, 16195, 17589, 17835, 20735, 25201, 29315, 29783, 33891, 34365, 35629, 39237, 42107, 46371, 48585, 56485, 62205, 65395, 75603, 77285, 87945, 89349, 93931, 106887, 126005, 126321, 148915, 169455, 170027, 178145, 196185, 210535, 231855, 281793, 327613, 378015, 446745, 463177, 469655, 510081, 534435, 631605, 850135, 982839, 1033241, 1221103, 1389531, 1408965, 1638065, 2315885, 2550405, 3099723, 3663309, 4914195, 5166205, 6105515, 6947655, 13432133, 15498615, 18316545, 40296399, 67160665, 201481995]

約数ペア:

[(1, 201481995), (3, 67160665), (5, 40296399), (11, 18316545), (13, 15498615), (15, 13432133), (29, 6947655), (33, 6105515), (39, 5166205), (41, 4914195), (55, 3663309), (65, 3099723), (79, 2550405), (87, 2315885), (123, 1638065), (143, 1408965), (145, 1389531), (165, 1221103), (195, 1033241), (205, 982839), (237, 850135), (319, 631605), (377, 534435), (395, 510081), (429, 469655), (435, 463177), (451, 446745), (533, 378015), (615, 327613), (715, 281793), (869, 231855), (957, 210535), (1027, 196185), (1131, 178145), (1185, 170027), (1189, 169455), (1353, 148915), (1595, 126321), (1599, 126005), (1885, 106887), (2145, 93931), (2255, 89349), (2291, 87945), (2607, 77285), (2665, 75603), (3081, 65395), (3239, 62205), (3567, 56485), (4147, 48585), (4345, 46371), (4785, 42107), (5135, 39237), (5655, 35629), (5863, 34365), (5945, 33891), (6765, 29783), (6873, 29315), (7995, 25201), (9717, 20735), (11297, 17835), (11455, 17589), (12441, 16195), (13035, 15457), (13079, 15405)]