205171170015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{557}}^1\times {\mathrm{501157}}^1$

素因数の和:501736

約数の個数: 48

約数和(自身を含む): 382555952352

約数和(自身を除く): 177384782337

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 557, 735, 1671, 2785, 3899, 8355, 11697, 19495, 27293, 58485, 81879, 136465, 409395, 501157, 1503471, 2505785, 3508099, 7517355, 10524297, 17540495, 24556693, 52621485, 73670079, 122783465, 279144449, 368350395, 837433347, 1395722245, 1954011143, 4187166735, 5862033429, 9770055715, 13678078001, 29310167145, 41034234003, 68390390005, 205171170015]

約数ペア:

[(1, 205171170015), (3, 68390390005), (5, 41034234003), (7, 29310167145), (15, 13678078001), (21, 9770055715), (35, 5862033429), (49, 4187166735), (105, 1954011143), (147, 1395722245), (245, 837433347), (557, 368350395), (735, 279144449), (1671, 122783465), (2785, 73670079), (3899, 52621485), (8355, 24556693), (11697, 17540495), (19495, 10524297), (27293, 7517355), (58485, 3508099), (81879, 2505785), (136465, 1503471), (409395, 501157)]