28779543

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 40

約数和(自身を含む): 46862816

約数和(自身を除く): 18083273

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 151, 181, 351, 453, 543, 1053, 1359, 1629, 1963, 2353, 4077, 4887, 5889, 7059, 12231, 14661, 17667, 21177, 27331, 53001, 63531, 81993, 159003, 190593, 245979, 355303, 737937, 1065909, 2213811, 3197727, 9593181, 28779543]

約数ペア:

[(1, 28779543), (3, 9593181), (9, 3197727), (13, 2213811), (27, 1065909), (39, 737937), (81, 355303), (117, 245979), (151, 190593), (181, 159003), (351, 81993), (453, 63531), (543, 53001), (1053, 27331), (1359, 21177), (1629, 17667), (1963, 14661), (2353, 12231), (4077, 7059), (4887, 5889)]