216985725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{87671}}^1$

素因数の和:87698

約数の個数: 36

約数和(自身を含む): 423981792

約数和(自身を除く): 206996067

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 87671, 263013, 438355, 789039, 964381, 1315065, 2191775, 2893143, 3945195, 4821905, 6575325, 8679429, 14465715, 19725975, 24109525, 43397145, 72328575, 216985725]

約数ペア:

[(1, 216985725), (3, 72328575), (5, 43397145), (9, 24109525), (11, 19725975), (15, 14465715), (25, 8679429), (33, 6575325), (45, 4821905), (55, 3945195), (75, 2893143), (99, 2191775), (165, 1315065), (225, 964381), (275, 789039), (495, 438355), (825, 263013), (2475, 87671)]