2155231611

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:953

約数の個数: 64

約数和(自身を含む): 3550525440

約数和(自身を除く): 1395293829

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 263, 333, 351, 481, 631, 789, 999, 1443, 1893, 2367, 3419, 4329, 5679, 7101, 8203, 9731, 10257, 12987, 17037, 23347, 24609, 29193, 30771, 70041, 73827, 87579, 92313, 126503, 165953, 210123, 221481, 262737, 303511, 379509, 497859, 630369, 910533, 1138527, 1493577, 2157389, 2731599, 3415581, 4480731, 6140261, 6472167, 8194797, 18420783, 19416501, 55262349, 58249503, 79823393, 165787047, 239470179, 718410537, 2155231611]

約数ペア:

[(1, 2155231611), (3, 718410537), (9, 239470179), (13, 165787047), (27, 79823393), (37, 58249503), (39, 55262349), (111, 19416501), (117, 18420783), (263, 8194797), (333, 6472167), (351, 6140261), (481, 4480731), (631, 3415581), (789, 2731599), (999, 2157389), (1443, 1493577), (1893, 1138527), (2367, 910533), (3419, 630369), (4329, 497859), (5679, 379509), (7101, 303511), (8203, 262737), (9731, 221481), (10257, 210123), (12987, 165953), (17037, 126503), (23347, 92313), (24609, 87579), (29193, 73827), (30771, 70041)]