25720515

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{12161}}^1$

素因数の和:12219

約数の個数: 24

約数和(自身を含む): 45534528

約数和(自身を除く): 19814013

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 12161, 36483, 60805, 109449, 182415, 547245, 571567, 1714701, 2857835, 5144103, 8573505, 25720515]

約数ペア:

[(1, 25720515), (3, 8573505), (5, 5144103), (9, 2857835), (15, 1714701), (45, 571567), (47, 547245), (141, 182415), (235, 109449), (423, 60805), (705, 36483), (2115, 12161)]