68175675

素因数分解:

$3^4\times 5^2\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:410

約数の個数: 60

約数和(自身を含む): 127744056

約数和(自身を除く): 59568381

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 131, 135, 225, 257, 393, 405, 655, 675, 771, 1179, 1285, 1965, 2025, 2313, 3275, 3537, 3855, 5895, 6425, 6939, 9825, 10611, 11565, 17685, 19275, 20817, 29475, 33667, 34695, 53055, 57825, 88425, 101001, 104085, 168335, 173475, 265275, 303003, 505005, 520425, 841675, 909009, 1515015, 2525025, 2727027, 4545045, 7575075, 13635135, 22725225, 68175675]

約数ペア:

[(1, 68175675), (3, 22725225), (5, 13635135), (9, 7575075), (15, 4545045), (25, 2727027), (27, 2525025), (45, 1515015), (75, 909009), (81, 841675), (131, 520425), (135, 505005), (225, 303003), (257, 265275), (393, 173475), (405, 168335), (655, 104085), (675, 101001), (771, 88425), (1179, 57825), (1285, 53055), (1965, 34695), (2025, 33667), (2313, 29475), (3275, 20817), (3537, 19275), (3855, 17685), (5895, 11565), (6425, 10611), (6939, 9825)]