81103197

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{72869}}^1$

素因数の和:72932

約数の個数: 16

約数和(自身を含む): 125919360

約数和(自身を除く): 44816163

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 72869, 218607, 510083, 1530249, 3862057, 11586171, 27034399, 81103197]

約数ペア:

[(1, 81103197), (3, 27034399), (7, 11586171), (21, 3862057), (53, 1530249), (159, 510083), (371, 218607), (1113, 72869)]