40407165

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12647}}^1$

素因数の和:12729

約数の個数: 24

約数和(自身を含む): 71031168

約数和(自身を除く): 30624003

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 12647, 37941, 63235, 113823, 189705, 569115, 897937, 2693811, 4489685, 8081433, 13469055, 40407165]

約数ペア:

[(1, 40407165), (3, 13469055), (5, 8081433), (9, 4489685), (15, 2693811), (45, 897937), (71, 569115), (213, 189705), (355, 113823), (639, 63235), (1065, 37941), (3195, 12647)]