215699679

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{68281}}^1$

素因数の和:68309

約数の個数: 24

約数和(自身を含む): 347965072

約数和(自身を除く): 132265393

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 68281, 204843, 614529, 887653, 1843587, 2662959, 5530761, 7988877, 16592283, 23966631, 71899893, 215699679]

約数ペア:

[(1, 215699679), (3, 71899893), (9, 23966631), (13, 16592283), (27, 7988877), (39, 5530761), (81, 2662959), (117, 1843587), (243, 887653), (351, 614529), (1053, 204843), (3159, 68281)]