71642475

素因数分解:

$3^6\times 5^2\times {\mathrm{3931}}^1$

素因数の和:3959

約数の個数: 42

約数和(自身を含む): 133227956

約数和(自身を除く): 61585481

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 3931, 6075, 11793, 18225, 19655, 35379, 58965, 98275, 106137, 176895, 294825, 318411, 530685, 884475, 955233, 1592055, 2653425, 2865699, 4776165, 7960275, 14328495, 23880825, 71642475]

約数ペア:

[(1, 71642475), (3, 23880825), (5, 14328495), (9, 7960275), (15, 4776165), (25, 2865699), (27, 2653425), (45, 1592055), (75, 955233), (81, 884475), (135, 530685), (225, 318411), (243, 294825), (405, 176895), (675, 106137), (729, 98275), (1215, 58965), (2025, 35379), (3645, 19655), (3931, 18225), (6075, 11793)]