13117923

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 25267200

約数和(自身を除く): 12149277

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 171, 189, 247, 273, 281, 351, 399, 513, 741, 819, 843, 1197, 1729, 1967, 2223, 2457, 2529, 3591, 3653, 5187, 5339, 5901, 6669, 7587, 10959, 15561, 16017, 17703, 25571, 32877, 37373, 46683, 48051, 53109, 69407, 76713, 98631, 112119, 144153, 208221, 230139, 336357, 485849, 624663, 690417, 1009071, 1457547, 1873989, 4372641, 13117923]

約数ペア:

[(1, 13117923), (3, 4372641), (7, 1873989), (9, 1457547), (13, 1009071), (19, 690417), (21, 624663), (27, 485849), (39, 336357), (57, 230139), (63, 208221), (91, 144153), (117, 112119), (133, 98631), (171, 76713), (189, 69407), (247, 53109), (273, 48051), (281, 46683), (351, 37373), (399, 32877), (513, 25571), (741, 17703), (819, 16017), (843, 15561), (1197, 10959), (1729, 7587), (1967, 6669), (2223, 5901), (2457, 5339), (2529, 5187), (3591, 3653)]