71129331

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 135691920

約数和(自身を除く): 64562589

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 91, 117, 133, 147, 171, 247, 273, 399, 441, 637, 653, 741, 819, 931, 1197, 1729, 1911, 1959, 2223, 2793, 4571, 5187, 5733, 5877, 8379, 8489, 12103, 12407, 13713, 15561, 25467, 31997, 36309, 37221, 41139, 59423, 76401, 86849, 95991, 108927, 111663, 161291, 178269, 260547, 287973, 415961, 483873, 534807, 607943, 781641, 1129037, 1247883, 1451619, 1823829, 3387111, 3743649, 5471487, 7903259, 10161333, 23709777, 71129331]

約数ペア:

[(1, 71129331), (3, 23709777), (7, 10161333), (9, 7903259), (13, 5471487), (19, 3743649), (21, 3387111), (39, 1823829), (49, 1451619), (57, 1247883), (63, 1129037), (91, 781641), (117, 607943), (133, 534807), (147, 483873), (171, 415961), (247, 287973), (273, 260547), (399, 178269), (441, 161291), (637, 111663), (653, 108927), (741, 95991), (819, 86849), (931, 76401), (1197, 59423), (1729, 41139), (1911, 37221), (1959, 36309), (2223, 31997), (2793, 25467), (4571, 15561), (5187, 13713), (5733, 12407), (5877, 12103), (8379, 8489)]