216193725

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2647}}^1$

素因数の和:2688

約数の個数: 72

約数和(自身を含む): 436708160

約数和(自身を除く): 220514435

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 121, 135, 165, 225, 275, 297, 363, 495, 605, 675, 825, 1089, 1485, 1815, 2475, 2647, 3025, 3267, 5445, 7425, 7941, 9075, 13235, 16335, 23823, 27225, 29117, 39705, 66175, 71469, 81675, 87351, 119115, 145585, 198525, 262053, 320287, 357345, 436755, 595575, 727925, 786159, 960861, 1310265, 1601435, 1786725, 2183775, 2882583, 3930795, 4804305, 6551325, 8007175, 8647749, 14412915, 19653975, 24021525, 43238745, 72064575, 216193725]

約数ペア:

[(1, 216193725), (3, 72064575), (5, 43238745), (9, 24021525), (11, 19653975), (15, 14412915), (25, 8647749), (27, 8007175), (33, 6551325), (45, 4804305), (55, 3930795), (75, 2882583), (99, 2183775), (121, 1786725), (135, 1601435), (165, 1310265), (225, 960861), (275, 786159), (297, 727925), (363, 595575), (495, 436755), (605, 357345), (675, 320287), (825, 262053), (1089, 198525), (1485, 145585), (1815, 119115), (2475, 87351), (2647, 81675), (3025, 71469), (3267, 66175), (5445, 39705), (7425, 29117), (7941, 27225), (9075, 23823), (13235, 16335)]