278889201

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{56239}}^1$

素因数の和:56293

約数の個数: 24

約数和(自身を含む): 438672000

約数和(自身を除く): 159782799

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 56239, 168717, 506151, 1068541, 1630931, 3205623, 4892793, 9616869, 14678379, 30987689, 92963067, 278889201]

約数ペア:

[(1, 278889201), (3, 92963067), (9, 30987689), (19, 14678379), (29, 9616869), (57, 4892793), (87, 3205623), (171, 1630931), (261, 1068541), (551, 506151), (1653, 168717), (4959, 56239)]