15996771

素因数分解:

$3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 27704160

約数和(自身を除く): 11707389

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 267, 317, 567, 623, 801, 951, 1869, 2219, 2403, 2853, 5607, 6657, 7209, 8559, 16821, 19971, 25677, 28213, 50463, 59913, 84639, 179739, 197491, 253917, 592473, 761751, 1777419, 2285253, 5332257, 15996771]

約数ペア:

[(1, 15996771), (3, 5332257), (7, 2285253), (9, 1777419), (21, 761751), (27, 592473), (63, 253917), (81, 197491), (89, 179739), (189, 84639), (267, 59913), (317, 50463), (567, 28213), (623, 25677), (801, 19971), (951, 16821), (1869, 8559), (2219, 7209), (2403, 6657), (2853, 5607)]