42078915

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22807}}^1$

素因数の和:22859

約数の個数: 24

約数和(自身を含む): 74719008

約数和(自身を除く): 32640093

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 22807, 68421, 114035, 205263, 342105, 935087, 1026315, 2805261, 4675435, 8415783, 14026305, 42078915]

約数ペア:

[(1, 42078915), (3, 14026305), (5, 8415783), (9, 4675435), (15, 2805261), (41, 1026315), (45, 935087), (123, 342105), (205, 205263), (369, 114035), (615, 68421), (1845, 22807)]