213672015

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{66877}}^1$

素因数の和:66959

約数の個数: 24

約数和(自身を含む): 375586848

約数和(自身を除く): 161914833

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 66877, 200631, 334385, 601893, 1003155, 3009465, 4748267, 14244801, 23741335, 42734403, 71224005, 213672015]

約数ペア:

[(1, 213672015), (3, 71224005), (5, 42734403), (9, 23741335), (15, 14244801), (45, 4748267), (71, 3009465), (213, 1003155), (355, 601893), (639, 334385), (1065, 200631), (3195, 66877)]