1851555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 3219264

約数和(自身を除く): 1367709

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 137, 159, 255, 265, 411, 685, 795, 901, 2055, 2329, 2703, 4505, 6987, 7261, 11645, 13515, 21783, 34935, 36305, 108915, 123437, 370311, 617185, 1851555]

約数ペア:

[(1, 1851555), (3, 617185), (5, 370311), (15, 123437), (17, 108915), (51, 36305), (53, 34935), (85, 21783), (137, 13515), (159, 11645), (255, 7261), (265, 6987), (411, 4505), (685, 2703), (795, 2329), (901, 2055)]