215214345

素因数分解:

$3^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{5783}}^1$

素因数の和:6621

約数の個数: 24

約数和(自身を含む): 373553856

約数和(自身を除く): 158339511

約数列:

[1, 3, 5, 9, 15, 45, 827, 2481, 4135, 5783, 7443, 12405, 17349, 28915, 37215, 52047, 86745, 260235, 4782541, 14347623, 23912705, 43042869, 71738115, 215214345]

約数ペア:

[(1, 215214345), (3, 71738115), (5, 43042869), (9, 23912705), (15, 14347623), (45, 4782541), (827, 260235), (2481, 86745), (4135, 52047), (5783, 37215), (7443, 28915), (12405, 17349)]