1878585

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 3265920

約数和(自身を除く): 1387335

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 139, 159, 255, 265, 417, 695, 795, 901, 2085, 2363, 2703, 4505, 7089, 7367, 11815, 13515, 22101, 35445, 36835, 110505, 125239, 375717, 626195, 1878585]

約数ペア:

[(1, 1878585), (3, 626195), (5, 375717), (15, 125239), (17, 110505), (51, 36835), (53, 35445), (85, 22101), (139, 13515), (159, 11815), (255, 7367), (265, 7089), (417, 4505), (695, 2703), (795, 2363), (901, 2085)]