7951671

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 15353520

約数和(自身を除く): 7401849

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 73, 91, 117, 133, 147, 171, 219, 247, 273, 399, 441, 511, 637, 657, 741, 819, 931, 949, 1197, 1387, 1533, 1729, 1911, 2223, 2793, 2847, 3577, 4161, 4599, 5187, 5733, 6643, 8379, 8541, 9709, 10731, 12103, 12483, 15561, 18031, 19929, 29127, 32193, 36309, 46501, 54093, 59787, 67963, 87381, 108927, 126217, 139503, 162279, 203889, 378651, 418509, 611667, 883519, 1135953, 2650557, 7951671]

約数ペア:

[(1, 7951671), (3, 2650557), (7, 1135953), (9, 883519), (13, 611667), (19, 418509), (21, 378651), (39, 203889), (49, 162279), (57, 139503), (63, 126217), (73, 108927), (91, 87381), (117, 67963), (133, 59787), (147, 54093), (171, 46501), (219, 36309), (247, 32193), (273, 29127), (399, 19929), (441, 18031), (511, 15561), (637, 12483), (657, 12103), (741, 10731), (819, 9709), (931, 8541), (949, 8379), (1197, 6643), (1387, 5733), (1533, 5187), (1729, 4599), (1911, 4161), (2223, 3577), (2793, 2847)]