28406931

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15199}}^1$

素因数の和:15298

約数の個数: 16

約数和(自身を含む): 43776000

約数和(自身を除く): 15369069

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 15199, 45597, 106393, 319179, 1352711, 4058133, 9468977, 28406931]

約数ペア:

[(1, 28406931), (3, 9468977), (7, 4058133), (21, 1352711), (89, 319179), (267, 106393), (623, 45597), (1869, 15199)]