213486525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1523}}^1$

素因数の和:1635

約数の個数: 72

約数和(自身を含む): 442203840

約数和(自身を除く): 228717315

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 89, 105, 175, 225, 267, 315, 445, 525, 623, 801, 1335, 1523, 1575, 1869, 2225, 3115, 4005, 4569, 5607, 6675, 7615, 9345, 10661, 13707, 15575, 20025, 22845, 28035, 31983, 38075, 46725, 53305, 68535, 95949, 114225, 135547, 140175, 159915, 266525, 342675, 406641, 479745, 677735, 799575, 948829, 1219923, 2033205, 2398725, 2846487, 3388675, 4744145, 6099615, 8539461, 10166025, 14232435, 23720725, 30498075, 42697305, 71162175, 213486525]

約数ペア:

[(1, 213486525), (3, 71162175), (5, 42697305), (7, 30498075), (9, 23720725), (15, 14232435), (21, 10166025), (25, 8539461), (35, 6099615), (45, 4744145), (63, 3388675), (75, 2846487), (89, 2398725), (105, 2033205), (175, 1219923), (225, 948829), (267, 799575), (315, 677735), (445, 479745), (525, 406641), (623, 342675), (801, 266525), (1335, 159915), (1523, 140175), (1575, 135547), (1869, 114225), (2225, 95949), (3115, 68535), (4005, 53305), (4569, 46725), (5607, 38075), (6675, 31983), (7615, 28035), (9345, 22845), (10661, 20025), (13707, 15575)]