13175415

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 25534080

約数和(自身を除く): 12358665

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 619, 645, 1419, 1857, 1935, 2365, 3095, 4257, 5571, 6809, 7095, 9285, 20427, 21285, 26617, 27855, 34045, 61281, 79851, 102135, 133085, 239553, 292787, 306405, 399255, 878361, 1197765, 1463935, 2635083, 4391805, 13175415]

約数ペア:

[(1, 13175415), (3, 4391805), (5, 2635083), (9, 1463935), (11, 1197765), (15, 878361), (33, 399255), (43, 306405), (45, 292787), (55, 239553), (99, 133085), (129, 102135), (165, 79851), (215, 61281), (387, 34045), (473, 27855), (495, 26617), (619, 21285), (645, 20427), (1419, 9285), (1857, 7095), (1935, 6809), (2365, 5571), (3095, 4257)]