212175

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 36

約数和(自身を含む): 406224

約数和(自身を除く): 194049

約数列:

[1, 3, 5, 9, 15, 23, 25, 41, 45, 69, 75, 115, 123, 205, 207, 225, 345, 369, 575, 615, 943, 1025, 1035, 1725, 1845, 2829, 3075, 4715, 5175, 8487, 9225, 14145, 23575, 42435, 70725, 212175]

約数ペア:

[(1, 212175), (3, 70725), (5, 42435), (9, 23575), (15, 14145), (23, 9225), (25, 8487), (41, 5175), (45, 4715), (69, 3075), (75, 2829), (115, 1845), (123, 1725), (205, 1035), (207, 1025), (225, 943), (345, 615), (369, 575)]