16928025

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 29789760

約数和(自身を除く): 12861735

約数列:

[1, 3, 5, 15, 25, 29, 43, 75, 87, 129, 145, 181, 215, 435, 543, 645, 725, 905, 1075, 1247, 2175, 2715, 3225, 3741, 4525, 5249, 6235, 7783, 13575, 15747, 18705, 23349, 26245, 31175, 38915, 78735, 93525, 116745, 131225, 194575, 225707, 393675, 583725, 677121, 1128535, 3385605, 5642675, 16928025]

約数ペア:

[(1, 16928025), (3, 5642675), (5, 3385605), (15, 1128535), (25, 677121), (29, 583725), (43, 393675), (75, 225707), (87, 194575), (129, 131225), (145, 116745), (181, 93525), (215, 78735), (435, 38915), (543, 31175), (645, 26245), (725, 23349), (905, 18705), (1075, 15747), (1247, 13575), (2175, 7783), (2715, 6235), (3225, 5249), (3741, 4525)]