78141225

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 137401920

約数和(自身を除く): 59260695

約数列:

[1, 3, 5, 15, 25, 29, 37, 75, 87, 111, 145, 185, 435, 555, 725, 925, 971, 1073, 2175, 2775, 2913, 3219, 4855, 5365, 14565, 16095, 24275, 26825, 28159, 35927, 72825, 80475, 84477, 107781, 140795, 179635, 422385, 538905, 703975, 898175, 1041883, 2111925, 2694525, 3125649, 5209415, 15628245, 26047075, 78141225]

約数ペア:

[(1, 78141225), (3, 26047075), (5, 15628245), (15, 5209415), (25, 3125649), (29, 2694525), (37, 2111925), (75, 1041883), (87, 898175), (111, 703975), (145, 538905), (185, 422385), (435, 179635), (555, 140795), (725, 107781), (925, 84477), (971, 80475), (1073, 72825), (2175, 35927), (2775, 28159), (2913, 26825), (3219, 24275), (4855, 16095), (5365, 14565)]