261569007075

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1997}}^1\times {\mathrm{75931}}^1$

素因数の和:77964

約数の個数: 48

約数和(自身を含む): 451495316736

約数和(自身を除く): 189926309661

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 1997, 5991, 9985, 29955, 45931, 49925, 75931, 137793, 149775, 227793, 229655, 379655, 688965, 1138965, 1148275, 1746413, 1898275, 3444825, 5239239, 5694825, 8732065, 26196195, 43660325, 130980975, 151634207, 454902621, 758171035, 2274513105, 3487586761, 3790855175, 10462760283, 11372565525, 17437933805, 52313801415, 87189669025, 261569007075]

約数ペア:

[(1, 261569007075), (3, 87189669025), (5, 52313801415), (15, 17437933805), (23, 11372565525), (25, 10462760283), (69, 3790855175), (75, 3487586761), (115, 2274513105), (345, 758171035), (575, 454902621), (1725, 151634207), (1997, 130980975), (5991, 43660325), (9985, 26196195), (29955, 8732065), (45931, 5694825), (49925, 5239239), (75931, 3444825), (137793, 1898275), (149775, 1746413), (227793, 1148275), (229655, 1138965), (379655, 688965)]