221571135

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{15731}}^1$

素因数の和:16055

約数の個数: 24

約数和(自身を含む): 385308144

約数和(自身を除く): 163737009

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1565, 2817, 4695, 14085, 15731, 47193, 78655, 141579, 235965, 707895, 4923803, 14771409, 24619015, 44314227, 73857045, 221571135]

約数ペア:

[(1, 221571135), (3, 73857045), (5, 44314227), (9, 24619015), (15, 14771409), (45, 4923803), (313, 707895), (939, 235965), (1565, 141579), (2817, 78655), (4695, 47193), (14085, 15731)]