12390975

素因数分解:

$3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 60

約数和(自身を含む): 23856360

約数和(自身を除く): 11465385

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 211, 225, 261, 405, 435, 633, 675, 725, 783, 1055, 1305, 1899, 2025, 2175, 2349, 3165, 3915, 5275, 5697, 6119, 6525, 9495, 11745, 15825, 17091, 18357, 19575, 28485, 30595, 47475, 55071, 58725, 85455, 91785, 142425, 152975, 165213, 275355, 427275, 458925, 495639, 826065, 1376775, 2478195, 4130325, 12390975]

約数ペア:

[(1, 12390975), (3, 4130325), (5, 2478195), (9, 1376775), (15, 826065), (25, 495639), (27, 458925), (29, 427275), (45, 275355), (75, 165213), (81, 152975), (87, 142425), (135, 91785), (145, 85455), (211, 58725), (225, 55071), (261, 47475), (405, 30595), (435, 28485), (633, 19575), (675, 18357), (725, 17091), (783, 15825), (1055, 11745), (1305, 9495), (1899, 6525), (2025, 6119), (2175, 5697), (2349, 5275), (3165, 3915)]