79142847

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1427}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 127948800

約数和(自身を除く): 48805953

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 399, 417, 973, 1427, 2641, 2919, 4281, 7923, 9989, 18487, 27113, 29967, 55461, 81339, 189791, 198353, 569373, 595059, 1388471, 3768707, 4165413, 11306121, 26380949, 79142847]

約数ペア:

[(1, 79142847), (3, 26380949), (7, 11306121), (19, 4165413), (21, 3768707), (57, 1388471), (133, 595059), (139, 569373), (399, 198353), (417, 189791), (973, 81339), (1427, 55461), (2641, 29967), (2919, 27113), (4281, 18487), (7923, 9989)]