31314255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 61959168

約数和(自身を除く): 30644913

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 53, 85, 105, 119, 159, 255, 265, 331, 357, 371, 595, 795, 901, 993, 1113, 1655, 1785, 1855, 2317, 2703, 4505, 4965, 5565, 5627, 6307, 6951, 11585, 13515, 16881, 17543, 18921, 28135, 31535, 34755, 39389, 52629, 84405, 87715, 94605, 118167, 122801, 196945, 263145, 298231, 368403, 590835, 614005, 894693, 1491155, 1842015, 2087617, 4473465, 6262851, 10438085, 31314255]

約数ペア:

[(1, 31314255), (3, 10438085), (5, 6262851), (7, 4473465), (15, 2087617), (17, 1842015), (21, 1491155), (35, 894693), (51, 614005), (53, 590835), (85, 368403), (105, 298231), (119, 263145), (159, 196945), (255, 122801), (265, 118167), (331, 94605), (357, 87715), (371, 84405), (595, 52629), (795, 39389), (901, 34755), (993, 31535), (1113, 28135), (1655, 18921), (1785, 17543), (1855, 16881), (2317, 13515), (2703, 11585), (4505, 6951), (4965, 6307), (5565, 5627)]