31111479

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 58337280

約数和(自身を除く): 27225801

約数列:

[1, 3, 7, 9, 17, 21, 23, 27, 51, 63, 69, 119, 153, 161, 189, 207, 357, 391, 421, 459, 483, 621, 1071, 1173, 1263, 1449, 2737, 2947, 3213, 3519, 3789, 4347, 7157, 8211, 8841, 9683, 10557, 11367, 21471, 24633, 26523, 29049, 50099, 64413, 67781, 73899, 79569, 87147, 150297, 164611, 193239, 203343, 261441, 450891, 493833, 610029, 1152277, 1352673, 1481499, 1830087, 3456831, 4444497, 10370493, 31111479]

約数ペア:

[(1, 31111479), (3, 10370493), (7, 4444497), (9, 3456831), (17, 1830087), (21, 1481499), (23, 1352673), (27, 1152277), (51, 610029), (63, 493833), (69, 450891), (119, 261441), (153, 203343), (161, 193239), (189, 164611), (207, 150297), (357, 87147), (391, 79569), (421, 73899), (459, 67781), (483, 64413), (621, 50099), (1071, 29049), (1173, 26523), (1263, 24633), (1449, 21471), (2737, 11367), (2947, 10557), (3213, 9683), (3519, 8841), (3789, 8211), (4347, 7157)]