259394013

素因数分解:

$3^2\times {\mathrm{37}}^3\times {\mathrm{569}}^1$

素因数の和:686

約数の個数: 24

約数和(自身を含む): 385764600

約数和(自身を除く): 126370587

約数列:

[1, 3, 9, 37, 111, 333, 569, 1369, 1707, 4107, 5121, 12321, 21053, 50653, 63159, 151959, 189477, 455877, 778961, 2336883, 7010649, 28821557, 86464671, 259394013]

約数ペア:

[(1, 259394013), (3, 86464671), (9, 28821557), (37, 7010649), (111, 2336883), (333, 778961), (569, 455877), (1369, 189477), (1707, 151959), (4107, 63159), (5121, 50653), (12321, 21053)]