31158225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 64892672

約数和(自身を除く): 33734447

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 73, 75, 105, 175, 219, 225, 271, 315, 365, 511, 525, 657, 813, 1095, 1355, 1533, 1575, 1825, 1897, 2439, 2555, 3285, 4065, 4599, 5475, 5691, 6775, 7665, 9485, 12195, 12775, 16425, 17073, 19783, 20325, 22995, 28455, 38325, 47425, 59349, 60975, 85365, 98915, 114975, 138481, 142275, 178047, 296745, 415443, 426825, 494575, 692405, 890235, 1246329, 1483725, 2077215, 3462025, 4451175, 6231645, 10386075, 31158225]

約数ペア:

[(1, 31158225), (3, 10386075), (5, 6231645), (7, 4451175), (9, 3462025), (15, 2077215), (21, 1483725), (25, 1246329), (35, 890235), (45, 692405), (63, 494575), (73, 426825), (75, 415443), (105, 296745), (175, 178047), (219, 142275), (225, 138481), (271, 114975), (315, 98915), (365, 85365), (511, 60975), (525, 59349), (657, 47425), (813, 38325), (1095, 28455), (1355, 22995), (1533, 20325), (1575, 19783), (1825, 17073), (1897, 16425), (2439, 12775), (2555, 12195), (3285, 9485), (4065, 7665), (4599, 6775), (5475, 5691)]