64420839

素因数分解:

$3^4\times 7^2\times {\mathrm{16231}}^1$

素因数の和:16257

約数の個数: 30

約数和(自身を含む): 111952104

約数和(自身を除く): 47531265

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 16231, 48693, 113617, 146079, 340851, 438237, 795319, 1022553, 1314711, 2385957, 3067659, 7157871, 9202977, 21473613, 64420839]

約数ペア:

[(1, 64420839), (3, 21473613), (7, 9202977), (9, 7157871), (21, 3067659), (27, 2385957), (49, 1314711), (63, 1022553), (81, 795319), (147, 438237), (189, 340851), (441, 146079), (567, 113617), (1323, 48693), (3969, 16231)]