156907215

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 280874880

約数和(自身を除く): 123967665

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 131, 215, 387, 393, 619, 645, 655, 1179, 1857, 1935, 1965, 3095, 5571, 5633, 5895, 9285, 16899, 26617, 27855, 28165, 50697, 79851, 81089, 84495, 133085, 239553, 243267, 253485, 399255, 405445, 729801, 1197765, 1216335, 3486827, 3649005, 10460481, 17434135, 31381443, 52302405, 156907215]

約数ペア:

[(1, 156907215), (3, 52302405), (5, 31381443), (9, 17434135), (15, 10460481), (43, 3649005), (45, 3486827), (129, 1216335), (131, 1197765), (215, 729801), (387, 405445), (393, 399255), (619, 253485), (645, 243267), (655, 239553), (1179, 133085), (1857, 84495), (1935, 81089), (1965, 79851), (3095, 50697), (5571, 28165), (5633, 27855), (5895, 26617), (9285, 16899)]