31496985

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 61205760

約数和(自身を除く): 29708775

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 131, 135, 137, 195, 351, 393, 411, 585, 655, 685, 1179, 1233, 1703, 1755, 1781, 1965, 2055, 3537, 3699, 5109, 5343, 5895, 6165, 8515, 8905, 15327, 16029, 17685, 17947, 18495, 25545, 26715, 45981, 48087, 53841, 76635, 80145, 89735, 161523, 229905, 233311, 240435, 269205, 484569, 699933, 807615, 1166555, 2099799, 2422845, 3499665, 6299397, 10498995, 31496985]

約数ペア:

[(1, 31496985), (3, 10498995), (5, 6299397), (9, 3499665), (13, 2422845), (15, 2099799), (27, 1166555), (39, 807615), (45, 699933), (65, 484569), (117, 269205), (131, 240435), (135, 233311), (137, 229905), (195, 161523), (351, 89735), (393, 80145), (411, 76635), (585, 53841), (655, 48087), (685, 45981), (1179, 26715), (1233, 25545), (1703, 18495), (1755, 17947), (1781, 17685), (1965, 16029), (2055, 15327), (3537, 8905), (3699, 8515), (5109, 6165), (5343, 5895)]