30970821

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86753}}^1$

素因数の和:86780

約数の個数: 16

約数和(自身を含む): 49970304

約数和(自身を除く): 18999483

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 86753, 260259, 607271, 1474801, 1821813, 4424403, 10323607, 30970821]

約数ペア:

[(1, 30970821), (3, 10323607), (7, 4424403), (17, 1821813), (21, 1474801), (51, 607271), (119, 260259), (357, 86753)]