15485275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 7013285

約数列:

[1, 5, 13, 25, 29, 31, 53, 65, 145, 155, 265, 325, 377, 403, 689, 725, 775, 899, 1325, 1537, 1643, 1885, 2015, 3445, 4495, 7685, 8215, 9425, 10075, 11687, 17225, 19981, 21359, 22475, 38425, 41075, 47647, 58435, 99905, 106795, 238235, 292175, 499525, 533975, 619411, 1191175, 3097055, 15485275]

約数ペア:

[(1, 15485275), (5, 3097055), (13, 1191175), (25, 619411), (29, 533975), (31, 499525), (53, 292175), (65, 238235), (145, 106795), (155, 99905), (265, 58435), (325, 47647), (377, 41075), (403, 38425), (689, 22475), (725, 21359), (775, 19981), (899, 17225), (1325, 11687), (1537, 10075), (1643, 9425), (1885, 8215), (2015, 7685), (3445, 4495)]