72419985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6361}}^1$

素因数の和:6406

約数の個数: 48

約数和(自身を含む): 142915968

約数和(自身を除く): 70495983

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 2277, 3795, 6361, 11385, 19083, 31805, 57249, 69971, 95415, 146303, 209913, 286245, 349855, 438909, 629739, 731515, 1049565, 1316727, 1609333, 2194545, 3148695, 4827999, 6583635, 8046665, 14483997, 24139995, 72419985]

約数ペア:

[(1, 72419985), (3, 24139995), (5, 14483997), (9, 8046665), (11, 6583635), (15, 4827999), (23, 3148695), (33, 2194545), (45, 1609333), (55, 1316727), (69, 1049565), (99, 731515), (115, 629739), (165, 438909), (207, 349855), (253, 286245), (345, 209913), (495, 146303), (759, 95415), (1035, 69971), (1265, 57249), (2277, 31805), (3795, 19083), (6361, 11385)]