72151875

素因数分解:

$3^2\times 5^4\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:254

約数の個数: 60

約数和(自身を含む): 132557568

約数和(自身を除く): 60405693

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 101, 125, 127, 225, 303, 375, 381, 505, 625, 635, 909, 1125, 1143, 1515, 1875, 1905, 2525, 3175, 4545, 5625, 5715, 7575, 9525, 12625, 12827, 15875, 22725, 28575, 37875, 38481, 47625, 63125, 64135, 79375, 113625, 115443, 142875, 189375, 192405, 238125, 320675, 568125, 577215, 714375, 962025, 1603375, 2886075, 4810125, 8016875, 14430375, 24050625, 72151875]

約数ペア:

[(1, 72151875), (3, 24050625), (5, 14430375), (9, 8016875), (15, 4810125), (25, 2886075), (45, 1603375), (75, 962025), (101, 714375), (125, 577215), (127, 568125), (225, 320675), (303, 238125), (375, 192405), (381, 189375), (505, 142875), (625, 115443), (635, 113625), (909, 79375), (1125, 64135), (1143, 63125), (1515, 47625), (1875, 38481), (1905, 37875), (2525, 28575), (3175, 22725), (4545, 15875), (5625, 12827), (5715, 12625), (7575, 9525)]