30821925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 54282240

約数和(自身を除く): 23460315

約数列:

[1, 3, 5, 15, 25, 29, 37, 75, 87, 111, 145, 185, 383, 435, 555, 725, 925, 1073, 1149, 1915, 2175, 2775, 3219, 5365, 5745, 9575, 11107, 14171, 16095, 26825, 28725, 33321, 42513, 55535, 70855, 80475, 166605, 212565, 277675, 354275, 410959, 833025, 1062825, 1232877, 2054795, 6164385, 10273975, 30821925]

約数ペア:

[(1, 30821925), (3, 10273975), (5, 6164385), (15, 2054795), (25, 1232877), (29, 1062825), (37, 833025), (75, 410959), (87, 354275), (111, 277675), (145, 212565), (185, 166605), (383, 80475), (435, 70855), (555, 55535), (725, 42513), (925, 33321), (1073, 28725), (1149, 26825), (1915, 16095), (2175, 14171), (2775, 11107), (3219, 9575), (5365, 5745)]