23378025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 43211520

約数和(自身を除く): 19833495

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 129, 165, 215, 275, 473, 645, 659, 825, 1075, 1419, 1977, 2365, 3225, 3295, 7095, 7249, 9885, 11825, 16475, 21747, 28337, 35475, 36245, 49425, 85011, 108735, 141685, 181225, 311707, 425055, 543675, 708425, 935121, 1558535, 2125275, 4675605, 7792675, 23378025]

約数ペア:

[(1, 23378025), (3, 7792675), (5, 4675605), (11, 2125275), (15, 1558535), (25, 935121), (33, 708425), (43, 543675), (55, 425055), (75, 311707), (129, 181225), (165, 141685), (215, 108735), (275, 85011), (473, 49425), (645, 36245), (659, 35475), (825, 28337), (1075, 21747), (1419, 16475), (1977, 11825), (2365, 9885), (3225, 7249), (3295, 7095)]