15208221

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^2$

素因数の和:130

約数の個数: 36

約数和(自身を含む): 24898272

約数和(自身を除く): 9690051

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 529, 777, 851, 1369, 1587, 2553, 3703, 4107, 5957, 9583, 11109, 17871, 19573, 28749, 31487, 58719, 94461, 137011, 220409, 411033, 661227, 724201, 2172603, 5069407, 15208221]

約数ペア:

[(1, 15208221), (3, 5069407), (7, 2172603), (21, 724201), (23, 661227), (37, 411033), (69, 220409), (111, 137011), (161, 94461), (259, 58719), (483, 31487), (529, 28749), (777, 19573), (851, 17871), (1369, 11109), (1587, 9583), (2553, 5957), (3703, 4107)]