127901565

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2071

約数の個数: 64

約数和(自身を含む): 253946880

約数和(自身を除く): 126045315

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 43, 45, 55, 99, 129, 135, 165, 215, 297, 387, 473, 495, 645, 1161, 1419, 1485, 1935, 2003, 2365, 4257, 5805, 6009, 7095, 10015, 12771, 18027, 21285, 22033, 30045, 54081, 63855, 66099, 86129, 90135, 110165, 198297, 258387, 270405, 330495, 430645, 594891, 775161, 947419, 991485, 1291935, 2325483, 2842257, 2974455, 3875805, 4737095, 8526771, 11627415, 14211285, 25580313, 42633855, 127901565]

約数ペア:

[(1, 127901565), (3, 42633855), (5, 25580313), (9, 14211285), (11, 11627415), (15, 8526771), (27, 4737095), (33, 3875805), (43, 2974455), (45, 2842257), (55, 2325483), (99, 1291935), (129, 991485), (135, 947419), (165, 775161), (215, 594891), (297, 430645), (387, 330495), (473, 270405), (495, 258387), (645, 198297), (1161, 110165), (1419, 90135), (1485, 86129), (1935, 66099), (2003, 63855), (2365, 54081), (4257, 30045), (5805, 22033), (6009, 21285), (7095, 18027), (10015, 12771)]