18263025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 36676224

約数和(自身を除く): 18413199

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 47, 55, 75, 99, 141, 157, 165, 225, 235, 275, 423, 471, 495, 517, 705, 785, 825, 1175, 1413, 1551, 1727, 2115, 2355, 2475, 2585, 3525, 3925, 4653, 5181, 7065, 7379, 7755, 8635, 10575, 11775, 12925, 15543, 22137, 23265, 25905, 35325, 36895, 38775, 43175, 66411, 77715, 81169, 110685, 116325, 129525, 184475, 243507, 332055, 388575, 405845, 553425, 730521, 1217535, 1660275, 2029225, 3652605, 6087675, 18263025]

約数ペア:

[(1, 18263025), (3, 6087675), (5, 3652605), (9, 2029225), (11, 1660275), (15, 1217535), (25, 730521), (33, 553425), (45, 405845), (47, 388575), (55, 332055), (75, 243507), (99, 184475), (141, 129525), (157, 116325), (165, 110685), (225, 81169), (235, 77715), (275, 66411), (423, 43175), (471, 38775), (495, 36895), (517, 35325), (705, 25905), (785, 23265), (825, 22137), (1175, 15543), (1413, 12925), (1551, 11775), (1727, 10575), (2115, 8635), (2355, 7755), (2475, 7379), (2585, 7065), (3525, 5181), (3925, 4653)]