31539375

素因数分解:

$3^4\times 5^4\times 7^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 100

約数和(自身を含む): 68040720

約数和(自身を除く): 36501345

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 89, 105, 125, 135, 175, 189, 225, 267, 315, 375, 405, 445, 525, 567, 623, 625, 675, 801, 875, 945, 1125, 1335, 1575, 1869, 1875, 2025, 2225, 2403, 2625, 2835, 3115, 3375, 4005, 4375, 4725, 5607, 5625, 6675, 7209, 7875, 9345, 10125, 11125, 12015, 13125, 14175, 15575, 16821, 16875, 20025, 23625, 28035, 33375, 36045, 39375, 46725, 50463, 50625, 55625, 60075, 70875, 77875, 84105, 100125, 118125, 140175, 166875, 180225, 233625, 252315, 300375, 354375, 389375, 420525, 500625, 700875, 901125, 1168125, 1261575, 1501875, 2102625, 3504375, 4505625, 6307875, 10513125, 31539375]

約数ペア:

[(1, 31539375), (3, 10513125), (5, 6307875), (7, 4505625), (9, 3504375), (15, 2102625), (21, 1501875), (25, 1261575), (27, 1168125), (35, 901125), (45, 700875), (63, 500625), (75, 420525), (81, 389375), (89, 354375), (105, 300375), (125, 252315), (135, 233625), (175, 180225), (189, 166875), (225, 140175), (267, 118125), (315, 100125), (375, 84105), (405, 77875), (445, 70875), (525, 60075), (567, 55625), (623, 50625), (625, 50463), (675, 46725), (801, 39375), (875, 36045), (945, 33375), (1125, 28035), (1335, 23625), (1575, 20025), (1869, 16875), (1875, 16821), (2025, 15575), (2225, 14175), (2403, 13125), (2625, 12015), (2835, 11125), (3115, 10125), (3375, 9345), (4005, 7875), (4375, 7209), (4725, 6675), (5607, 5625)]