199904679

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{63281}}^1$

素因数の和:63309

約数の個数: 24

約数和(自身を含む): 322485072

約数和(自身を除く): 122580393

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 63281, 189843, 569529, 822653, 1708587, 2467959, 5125761, 7403877, 15377283, 22211631, 66634893, 199904679]

約数ペア:

[(1, 199904679), (3, 66634893), (9, 22211631), (13, 15377283), (27, 7403877), (39, 5125761), (81, 2467959), (117, 1708587), (243, 822653), (351, 569529), (1053, 189843), (3159, 63281)]