331253145

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19949}}^1$

素因数の和:20007

約数の個数: 40

約数和(自身を含む): 608315400

約数和(自身を除く): 277062255

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 3321, 5535, 16605, 19949, 59847, 99745, 179541, 299235, 538623, 817909, 897705, 1615869, 2453727, 2693115, 4089545, 7361181, 8079345, 12268635, 22083543, 36805905, 66250629, 110417715, 331253145]

約数ペア:

[(1, 331253145), (3, 110417715), (5, 66250629), (9, 36805905), (15, 22083543), (27, 12268635), (41, 8079345), (45, 7361181), (81, 4089545), (123, 2693115), (135, 2453727), (205, 1615869), (369, 897705), (405, 817909), (615, 538623), (1107, 299235), (1845, 179541), (3321, 99745), (5535, 59847), (16605, 19949)]