42939351

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 79553760

約数和(自身を除く): 36614409

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 109, 111, 117, 169, 259, 273, 327, 333, 481, 507, 763, 777, 819, 981, 1183, 1417, 1443, 1521, 2289, 2331, 3367, 3549, 4033, 4251, 4329, 6253, 6867, 9919, 10101, 10647, 12099, 12753, 18421, 18759, 28231, 29757, 30303, 36297, 43771, 52429, 55263, 56277, 84693, 89271, 128947, 131313, 157287, 165789, 254079, 367003, 386841, 393939, 471861, 681577, 1101009, 1160523, 2044731, 3303027, 4771039, 6134193, 14313117, 42939351]

約数ペア:

[(1, 42939351), (3, 14313117), (7, 6134193), (9, 4771039), (13, 3303027), (21, 2044731), (37, 1160523), (39, 1101009), (63, 681577), (91, 471861), (109, 393939), (111, 386841), (117, 367003), (169, 254079), (259, 165789), (273, 157287), (327, 131313), (333, 128947), (481, 89271), (507, 84693), (763, 56277), (777, 55263), (819, 52429), (981, 43771), (1183, 36297), (1417, 30303), (1443, 29757), (1521, 28231), (2289, 18759), (2331, 18421), (3367, 12753), (3549, 12099), (4033, 10647), (4251, 10101), (4329, 9919), (6253, 6867)]