18252225

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3527}}^1$

素因数の和:3566

約数の個数: 36

約数和(自身を含む): 34122816

約数和(自身を除く): 15870591

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 3527, 5175, 10581, 17635, 31743, 52905, 81121, 88175, 158715, 243363, 264525, 405605, 730089, 793575, 1216815, 2028025, 3650445, 6084075, 18252225]

約数ペア:

[(1, 18252225), (3, 6084075), (5, 3650445), (9, 2028025), (15, 1216815), (23, 793575), (25, 730089), (45, 405605), (69, 264525), (75, 243363), (115, 158715), (207, 88175), (225, 81121), (345, 52905), (575, 31743), (1035, 17635), (1725, 10581), (3527, 5175)]