87331725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 171178280

約数和(自身を除く): 83846555

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 73, 75, 117, 195, 219, 225, 325, 365, 409, 585, 657, 949, 975, 1095, 1227, 1825, 2045, 2847, 2925, 3285, 3681, 4745, 5317, 5475, 6135, 8541, 10225, 14235, 15951, 16425, 18405, 23725, 26585, 29857, 30675, 42705, 47853, 71175, 79755, 89571, 92025, 132925, 149285, 213525, 239265, 268713, 388141, 398775, 447855, 746425, 1164423, 1196325, 1343565, 1940705, 2239275, 3493269, 5822115, 6717825, 9703525, 17466345, 29110575, 87331725]

約数ペア:

[(1, 87331725), (3, 29110575), (5, 17466345), (9, 9703525), (13, 6717825), (15, 5822115), (25, 3493269), (39, 2239275), (45, 1940705), (65, 1343565), (73, 1196325), (75, 1164423), (117, 746425), (195, 447855), (219, 398775), (225, 388141), (325, 268713), (365, 239265), (409, 213525), (585, 149285), (657, 132925), (949, 92025), (975, 89571), (1095, 79755), (1227, 71175), (1825, 47853), (2045, 42705), (2847, 30675), (2925, 29857), (3285, 26585), (3681, 23725), (4745, 18405), (5317, 16425), (5475, 15951), (6135, 14235), (8541, 10225)]