212265

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 379080

約数和(自身を除く): 166815

約数列:

[1, 3, 5, 9, 15, 45, 53, 89, 159, 265, 267, 445, 477, 795, 801, 1335, 2385, 4005, 4717, 14151, 23585, 42453, 70755, 212265]

約数ペア:

[(1, 212265), (3, 70755), (5, 42453), (9, 23585), (15, 14151), (45, 4717), (53, 4005), (89, 2385), (159, 1335), (265, 801), (267, 795), (445, 477)]