210913875

素因数分解:

$3^4\times 5^3\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:627

約数の個数: 80

約数和(自身を含む): 404550432

約数和(自身を除く): 193636557

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 125, 135, 185, 225, 333, 375, 405, 555, 563, 675, 925, 999, 1125, 1665, 1689, 2025, 2775, 2815, 2997, 3375, 4625, 4995, 5067, 8325, 8445, 10125, 13875, 14075, 14985, 15201, 20831, 24975, 25335, 41625, 42225, 45603, 62493, 70375, 74925, 76005, 104155, 124875, 126675, 187479, 211125, 228015, 312465, 374625, 380025, 520775, 562437, 633375, 937395, 1140075, 1562325, 1687311, 1900125, 2603875, 2812185, 4686975, 5700375, 7811625, 8436555, 14060925, 23434875, 42182775, 70304625, 210913875]

約数ペア:

[(1, 210913875), (3, 70304625), (5, 42182775), (9, 23434875), (15, 14060925), (25, 8436555), (27, 7811625), (37, 5700375), (45, 4686975), (75, 2812185), (81, 2603875), (111, 1900125), (125, 1687311), (135, 1562325), (185, 1140075), (225, 937395), (333, 633375), (375, 562437), (405, 520775), (555, 380025), (563, 374625), (675, 312465), (925, 228015), (999, 211125), (1125, 187479), (1665, 126675), (1689, 124875), (2025, 104155), (2775, 76005), (2815, 74925), (2997, 70375), (3375, 62493), (4625, 45603), (4995, 42225), (5067, 41625), (8325, 25335), (8445, 24975), (10125, 20831), (13875, 15201), (14075, 14985)]