661897888515

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4157}}^1\times {\mathrm{44789}}^1$

素因数の和:49036

約数の個数: 48

約数和(自身を含む): 1162117756800

約数和(自身を除く): 500219868285

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 4157, 12471, 20785, 37413, 44789, 62355, 134367, 187065, 223945, 328403, 403101, 671835, 985209, 1642015, 2015505, 2955627, 3538331, 4926045, 10614993, 14778135, 17691655, 31844979, 53074965, 159224895, 186187873, 558563619, 930939365, 1675690857, 2792818095, 8378454285, 14708841967, 44126525901, 73544209835, 132379577703, 220632629505, 661897888515]

約数ペア:

[(1, 661897888515), (3, 220632629505), (5, 132379577703), (9, 73544209835), (15, 44126525901), (45, 14708841967), (79, 8378454285), (237, 2792818095), (395, 1675690857), (711, 930939365), (1185, 558563619), (3555, 186187873), (4157, 159224895), (12471, 53074965), (20785, 31844979), (37413, 17691655), (44789, 14778135), (62355, 10614993), (134367, 4926045), (187065, 3538331), (223945, 2955627), (328403, 2015505), (403101, 1642015), (671835, 985209)]