31104567

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 50684480

約数和(自身を除く): 19579913

約数列:

[1, 3, 9, 13, 27, 39, 81, 109, 117, 271, 327, 351, 813, 981, 1053, 1417, 2439, 2943, 3523, 4251, 7317, 8829, 10569, 12753, 21951, 29539, 31707, 38259, 88617, 95121, 114777, 265851, 285363, 384007, 797553, 1152021, 2392659, 3456063, 10368189, 31104567]

約数ペア:

[(1, 31104567), (3, 10368189), (9, 3456063), (13, 2392659), (27, 1152021), (39, 797553), (81, 384007), (109, 285363), (117, 265851), (271, 114777), (327, 95121), (351, 88617), (813, 38259), (981, 31707), (1053, 29539), (1417, 21951), (2439, 12753), (2943, 10569), (3523, 8829), (4251, 7317)]