665777775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2657}}^1$

素因数の和:2940

約数の個数: 48

約数和(自身を含む): 1190486304

約数和(自身を除く): 524708529

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 257, 325, 771, 975, 1285, 2657, 3341, 3855, 6425, 7971, 10023, 13285, 16705, 19275, 34541, 39855, 50115, 66425, 83525, 103623, 172705, 199275, 250575, 518115, 682849, 863525, 2048547, 2590575, 3414245, 8877037, 10242735, 17071225, 26631111, 44385185, 51213675, 133155555, 221925925, 665777775]

約数ペア:

[(1, 665777775), (3, 221925925), (5, 133155555), (13, 51213675), (15, 44385185), (25, 26631111), (39, 17071225), (65, 10242735), (75, 8877037), (195, 3414245), (257, 2590575), (325, 2048547), (771, 863525), (975, 682849), (1285, 518115), (2657, 250575), (3341, 199275), (3855, 172705), (6425, 103623), (7971, 83525), (10023, 66425), (13285, 50115), (16705, 39855), (19275, 34541)]