20173787775

素因数分解:

$3^3\times 5^2\times {\mathrm{179}}^1\times {\mathrm{166967}}^1$

素因数の和:167165

約数の個数: 48

約数和(自身を含む): 37267257600

約数和(自身を除く): 17093469825

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 179, 225, 537, 675, 895, 1611, 2685, 4475, 4833, 8055, 13425, 24165, 40275, 120825, 166967, 500901, 834835, 1502703, 2504505, 4174175, 4508109, 7513515, 12522525, 22540545, 29887093, 37567575, 89661279, 112702725, 149435465, 268983837, 448306395, 747177325, 806951511, 1344919185, 2241531975, 4034757555, 6724595925, 20173787775]

約数ペア:

[(1, 20173787775), (3, 6724595925), (5, 4034757555), (9, 2241531975), (15, 1344919185), (25, 806951511), (27, 747177325), (45, 448306395), (75, 268983837), (135, 149435465), (179, 112702725), (225, 89661279), (537, 37567575), (675, 29887093), (895, 22540545), (1611, 12522525), (2685, 7513515), (4475, 4508109), (4833, 4174175), (8055, 2504505), (13425, 1502703), (24165, 834835), (40275, 500901), (120825, 166967)]