138621615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 256241664

約数和(自身を除く): 117620049

約数列:

[1, 3, 5, 11, 15, 31, 33, 41, 55, 93, 123, 155, 165, 205, 341, 451, 465, 615, 661, 1023, 1271, 1353, 1705, 1983, 2255, 3305, 3813, 5115, 6355, 6765, 7271, 9915, 13981, 19065, 20491, 21813, 27101, 36355, 41943, 61473, 69905, 81303, 102455, 109065, 135505, 209715, 225401, 298111, 307365, 406515, 676203, 840131, 894333, 1127005, 1490555, 2520393, 3381015, 4200655, 4471665, 9241441, 12601965, 27724323, 46207205, 138621615]

約数ペア:

[(1, 138621615), (3, 46207205), (5, 27724323), (11, 12601965), (15, 9241441), (31, 4471665), (33, 4200655), (41, 3381015), (55, 2520393), (93, 1490555), (123, 1127005), (155, 894333), (165, 840131), (205, 676203), (341, 406515), (451, 307365), (465, 298111), (615, 225401), (661, 209715), (1023, 135505), (1271, 109065), (1353, 102455), (1705, 81303), (1983, 69905), (2255, 61473), (3305, 41943), (3813, 36355), (5115, 27101), (6355, 21813), (6765, 20491), (7271, 19065), (9915, 13981)]