72300015

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 129729600

約数和(自身を除く): 57429585

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 149, 205, 263, 369, 447, 615, 745, 789, 1315, 1341, 1845, 2235, 2367, 3945, 6109, 6705, 10783, 11835, 18327, 30545, 32349, 39187, 53915, 54981, 91635, 97047, 117561, 161745, 195935, 274905, 352683, 485235, 587805, 1606667, 1763415, 4820001, 8033335, 14460003, 24100005, 72300015]

約数ペア:

[(1, 72300015), (3, 24100005), (5, 14460003), (9, 8033335), (15, 4820001), (41, 1763415), (45, 1606667), (123, 587805), (149, 485235), (205, 352683), (263, 274905), (369, 195935), (447, 161745), (615, 117561), (745, 97047), (789, 91635), (1315, 54981), (1341, 53915), (1845, 39187), (2235, 32349), (2367, 30545), (3945, 18327), (6109, 11835), (6705, 10783)]