78578397

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 120960000

約数和(自身を除く): 42381603

約数列:

[1, 3, 9, 27, 31, 93, 269, 279, 349, 807, 837, 1047, 2421, 3141, 7263, 8339, 9423, 10819, 25017, 32457, 75051, 93881, 97371, 225153, 281643, 292113, 844929, 2534787, 2910311, 8730933, 26192799, 78578397]

約数ペア:

[(1, 78578397), (3, 26192799), (9, 8730933), (27, 2910311), (31, 2534787), (93, 844929), (269, 292113), (279, 281643), (349, 225153), (807, 97371), (837, 93881), (1047, 75051), (2421, 32457), (3141, 25017), (7263, 10819), (8339, 9423)]