61317825

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^2\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 36

約数和(自身を含む): 103462128

約数和(自身を除く): 42144303

約数列:

[1, 3, 5, 15, 25, 75, 79, 131, 237, 393, 395, 655, 1185, 1965, 1975, 3275, 5925, 6241, 9825, 10349, 18723, 31047, 31205, 51745, 93615, 155235, 156025, 258725, 468075, 776175, 817571, 2452713, 4087855, 12263565, 20439275, 61317825]

約数ペア:

[(1, 61317825), (3, 20439275), (5, 12263565), (15, 4087855), (25, 2452713), (75, 817571), (79, 776175), (131, 468075), (237, 258725), (393, 156025), (395, 155235), (655, 93615), (1185, 51745), (1965, 31205), (1975, 31047), (3275, 18723), (5925, 10349), (6241, 9825)]