72640215

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55663}}^1$

素因数の和:55703

約数の個数: 24

約数和(自身を含む): 130253760

約数和(自身を除く): 57613545

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 55663, 166989, 278315, 500967, 834945, 1614227, 2504835, 4842681, 8071135, 14528043, 24213405, 72640215]

約数ペア:

[(1, 72640215), (3, 24213405), (5, 14528043), (9, 8071135), (15, 4842681), (29, 2504835), (45, 1614227), (87, 834945), (145, 500967), (261, 278315), (435, 166989), (1305, 55663)]