290438217

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 464510592

約数和(自身を除く): 174072375

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 167, 243, 421, 459, 501, 1263, 1377, 1503, 2839, 3789, 4131, 4509, 7157, 8517, 11367, 13527, 21471, 25551, 34101, 40581, 64413, 70307, 76653, 102303, 193239, 210921, 229959, 579717, 632763, 689877, 1195219, 1739151, 1898289, 3585657, 5694867, 10756971, 17084601, 32270913, 96812739, 290438217]

約数ペア:

[(1, 290438217), (3, 96812739), (9, 32270913), (17, 17084601), (27, 10756971), (51, 5694867), (81, 3585657), (153, 1898289), (167, 1739151), (243, 1195219), (421, 689877), (459, 632763), (501, 579717), (1263, 229959), (1377, 210921), (1503, 193239), (2839, 102303), (3789, 76653), (4131, 70307), (4509, 64413), (7157, 40581), (8517, 34101), (11367, 25551), (13527, 21471)]