195853515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 402361344

約数和(自身を除く): 206507829

約数列:

[1, 3, 5, 11, 13, 15, 17, 33, 39, 41, 51, 55, 65, 85, 123, 131, 143, 165, 187, 195, 205, 221, 255, 393, 429, 451, 533, 561, 615, 655, 663, 697, 715, 935, 1105, 1353, 1441, 1599, 1703, 1965, 2091, 2145, 2227, 2255, 2431, 2665, 2805, 3315, 3485, 4323, 5109, 5371, 5863, 6681, 6765, 7205, 7293, 7667, 7995, 8515, 9061, 10455, 11135, 12155, 16113, 17589, 18733, 21615, 23001, 24497, 25545, 26855, 27183, 28951, 29315, 33405, 36465, 38335, 45305, 56199, 59081, 69823, 73491, 80565, 86853, 87945, 91307, 93665, 99671, 115005, 122485, 135915, 144755, 177243, 209469, 273921, 280995, 295405, 299013, 318461, 349115, 367455, 434265, 456535, 498355, 768053, 886215, 955383, 1004377, 1047345, 1186991, 1369605, 1495065, 1592305, 2304159, 3013131, 3560973, 3840265, 4776915, 5021885, 5934955, 11520795, 13056901, 15065655, 17804865, 39170703, 65284505, 195853515]

約数ペア:

[(1, 195853515), (3, 65284505), (5, 39170703), (11, 17804865), (13, 15065655), (15, 13056901), (17, 11520795), (33, 5934955), (39, 5021885), (41, 4776915), (51, 3840265), (55, 3560973), (65, 3013131), (85, 2304159), (123, 1592305), (131, 1495065), (143, 1369605), (165, 1186991), (187, 1047345), (195, 1004377), (205, 955383), (221, 886215), (255, 768053), (393, 498355), (429, 456535), (451, 434265), (533, 367455), (561, 349115), (615, 318461), (655, 299013), (663, 295405), (697, 280995), (715, 273921), (935, 209469), (1105, 177243), (1353, 144755), (1441, 135915), (1599, 122485), (1703, 115005), (1965, 99671), (2091, 93665), (2145, 91307), (2227, 87945), (2255, 86853), (2431, 80565), (2665, 73491), (2805, 69823), (3315, 59081), (3485, 56199), (4323, 45305), (5109, 38335), (5371, 36465), (5863, 33405), (6681, 29315), (6765, 28951), (7205, 27183), (7293, 26855), (7667, 25545), (7995, 24497), (8515, 23001), (9061, 21615), (10455, 18733), (11135, 17589), (12155, 16113)]