23959815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 43257984

約数和(自身を除く): 19298169

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 121, 129, 165, 215, 307, 363, 473, 605, 645, 921, 1419, 1535, 1815, 2365, 3377, 4605, 5203, 7095, 10131, 13201, 15609, 16885, 26015, 37147, 39603, 50655, 66005, 78045, 111441, 145211, 185735, 198015, 435633, 557205, 726055, 1597321, 2178165, 4791963, 7986605, 23959815]

約数ペア:

[(1, 23959815), (3, 7986605), (5, 4791963), (11, 2178165), (15, 1597321), (33, 726055), (43, 557205), (55, 435633), (121, 198015), (129, 185735), (165, 145211), (215, 111441), (307, 78045), (363, 66005), (473, 50655), (605, 39603), (645, 37147), (921, 26015), (1419, 16885), (1535, 15609), (1815, 13201), (2365, 10131), (3377, 7095), (4605, 5203)]