890450175

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1327}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 1541329920

約数和(自身を除く): 650879745

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 389, 575, 1167, 1327, 1725, 1945, 3981, 5835, 6635, 8947, 9725, 19905, 26841, 29175, 30521, 33175, 44735, 91563, 99525, 134205, 152605, 223675, 457815, 516203, 671025, 763025, 1548609, 2289075, 2581015, 7743045, 11872669, 12905075, 35618007, 38715225, 59363345, 178090035, 296816725, 890450175]

約数ペア:

[(1, 890450175), (3, 296816725), (5, 178090035), (15, 59363345), (23, 38715225), (25, 35618007), (69, 12905075), (75, 11872669), (115, 7743045), (345, 2581015), (389, 2289075), (575, 1548609), (1167, 763025), (1327, 671025), (1725, 516203), (1945, 457815), (3981, 223675), (5835, 152605), (6635, 134205), (8947, 99525), (9725, 91563), (19905, 44735), (26841, 33175), (29175, 30521)]