64349721

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{16903}}^1$

素因数の和:16962

約数の個数: 20

約数和(自身を含む): 98178432

約数和(自身を除く): 33828711

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 16903, 50709, 152127, 456381, 794441, 1369143, 2383323, 7149969, 21449907, 64349721]

約数ペア:

[(1, 64349721), (3, 21449907), (9, 7149969), (27, 2383323), (47, 1369143), (81, 794441), (141, 456381), (423, 152127), (1269, 50709), (3807, 16903)]