212437215

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17681}}^1$

素因数の和:17784

約数の個数: 32

約数和(自身を含む): 381931200

約数和(自身を除く): 169493985

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2403, 4005, 12015, 17681, 53043, 88405, 159129, 265215, 477387, 795645, 1573609, 2386935, 4720827, 7868045, 14162481, 23604135, 42487443, 70812405, 212437215]

約数ペア:

[(1, 212437215), (3, 70812405), (5, 42487443), (9, 23604135), (15, 14162481), (27, 7868045), (45, 4720827), (89, 2386935), (135, 1573609), (267, 795645), (445, 477387), (801, 265215), (1335, 159129), (2403, 88405), (4005, 53043), (12015, 17681)]