201976455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 351267840

約数和(自身を除く): 149291385

約数列:

[1, 3, 5, 15, 23, 41, 69, 109, 115, 123, 131, 205, 327, 345, 393, 545, 615, 655, 943, 1635, 1965, 2507, 2829, 3013, 4469, 4715, 5371, 7521, 9039, 12535, 13407, 14145, 14279, 15065, 16113, 22345, 26855, 37605, 42837, 45195, 67035, 71395, 80565, 102787, 123533, 214185, 308361, 328417, 370599, 513935, 585439, 617665, 985251, 1541805, 1642085, 1756317, 1852995, 2927195, 4926255, 8781585, 13465097, 40395291, 67325485, 201976455]

約数ペア:

[(1, 201976455), (3, 67325485), (5, 40395291), (15, 13465097), (23, 8781585), (41, 4926255), (69, 2927195), (109, 1852995), (115, 1756317), (123, 1642085), (131, 1541805), (205, 985251), (327, 617665), (345, 585439), (393, 513935), (545, 370599), (615, 328417), (655, 308361), (943, 214185), (1635, 123533), (1965, 102787), (2507, 80565), (2829, 71395), (3013, 67035), (4469, 45195), (4715, 42837), (5371, 37605), (7521, 26855), (9039, 22345), (12535, 16113), (13407, 15065), (14145, 14279)]