1215743895

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{5849}}^1$

素因数の和:6040

約数の個数: 48

約数和(自身を含む): 2190240000

約数和(自身を除く): 974496105

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 149, 155, 279, 447, 465, 745, 1341, 1395, 2235, 4619, 5849, 6705, 13857, 17547, 23095, 29245, 41571, 52641, 69285, 87735, 181319, 207855, 263205, 543957, 871501, 906595, 1631871, 2614503, 2719785, 4357505, 7843509, 8159355, 13072515, 27016531, 39217545, 81049593, 135082655, 243148779, 405247965, 1215743895]

約数ペア:

[(1, 1215743895), (3, 405247965), (5, 243148779), (9, 135082655), (15, 81049593), (31, 39217545), (45, 27016531), (93, 13072515), (149, 8159355), (155, 7843509), (279, 4357505), (447, 2719785), (465, 2614503), (745, 1631871), (1341, 906595), (1395, 871501), (2235, 543957), (4619, 263205), (5849, 207855), (6705, 181319), (13857, 87735), (17547, 69285), (23095, 52641), (29245, 41571)]