7640145

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 13708188

約数和(自身を除く): 6068043

約数列:

[1, 3, 5, 9, 15, 41, 45, 101, 123, 205, 303, 369, 505, 615, 909, 1515, 1681, 1845, 4141, 4545, 5043, 8405, 12423, 15129, 20705, 25215, 37269, 62115, 75645, 169781, 186345, 509343, 848905, 1528029, 2546715, 7640145]

約数ペア:

[(1, 7640145), (3, 2546715), (5, 1528029), (9, 848905), (15, 509343), (41, 186345), (45, 169781), (101, 75645), (123, 62115), (205, 37269), (303, 25215), (369, 20705), (505, 15129), (615, 12423), (909, 8405), (1515, 5043), (1681, 4545), (1845, 4141)]