690417

素因数分解:

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

素因数の和:310

約数の個数: 32

約数和(自身を含む): 1263360

約数和(自身を除く): 572943

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 281, 351, 819, 843, 1967, 2457, 2529, 3653, 5901, 7587, 10959, 17703, 25571, 32877, 53109, 76713, 98631, 230139, 690417]

約数ペア:

[(1, 690417), (3, 230139), (7, 98631), (9, 76713), (13, 53109), (21, 32877), (27, 25571), (39, 17703), (63, 10959), (91, 7587), (117, 5901), (189, 3653), (273, 2529), (281, 2457), (351, 1967), (819, 843)]