1289571855

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20731}}^1$

素因数の和:20792

約数の個数: 64

約数和(自身を含む): 2507742720

約数和(自身を除く): 1218170865

約数列:

[1, 3, 5, 11, 13, 15, 29, 33, 39, 55, 65, 87, 143, 145, 165, 195, 319, 377, 429, 435, 715, 957, 1131, 1595, 1885, 2145, 4147, 4785, 5655, 12441, 20731, 20735, 62193, 62205, 103655, 228041, 269503, 310965, 601199, 684123, 808509, 1140205, 1347515, 1803597, 2964533, 3005995, 3420615, 4042545, 6613189, 7815587, 8893599, 9017985, 14822665, 19839567, 23446761, 33065945, 39077935, 44467995, 85971457, 99197835, 117233805, 257914371, 429857285, 1289571855]

約数ペア:

[(1, 1289571855), (3, 429857285), (5, 257914371), (11, 117233805), (13, 99197835), (15, 85971457), (29, 44467995), (33, 39077935), (39, 33065945), (55, 23446761), (65, 19839567), (87, 14822665), (143, 9017985), (145, 8893599), (165, 7815587), (195, 6613189), (319, 4042545), (377, 3420615), (429, 3005995), (435, 2964533), (715, 1803597), (957, 1347515), (1131, 1140205), (1595, 808509), (1885, 684123), (2145, 601199), (4147, 310965), (4785, 269503), (5655, 228041), (12441, 103655), (20731, 62205), (20735, 62193)]