396579729

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{3467}}^1$

素因数の和:3909

約数の個数: 32

約数和(自身を含む): 652538880

約数和(自身を除く): 255959151

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 419, 1257, 2933, 3467, 5447, 8799, 10401, 16341, 24269, 38129, 45071, 72807, 114387, 135213, 315497, 946491, 1452673, 4358019, 10168711, 18884749, 30506133, 56654247, 132193243, 396579729]

約数ペア:

[(1, 396579729), (3, 132193243), (7, 56654247), (13, 30506133), (21, 18884749), (39, 10168711), (91, 4358019), (273, 1452673), (419, 946491), (1257, 315497), (2933, 135213), (3467, 114387), (5447, 72807), (8799, 45071), (10401, 38129), (16341, 24269)]