26217681

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 41361408

約数和(自身を除く): 15143727

約数列:

[1, 3, 7, 21, 47, 101, 141, 263, 303, 329, 707, 789, 987, 1841, 2121, 4747, 5523, 12361, 14241, 26563, 33229, 37083, 79689, 86527, 99687, 185941, 259581, 557823, 1248461, 3745383, 8739227, 26217681]

約数ペア:

[(1, 26217681), (3, 8739227), (7, 3745383), (21, 1248461), (47, 557823), (101, 259581), (141, 185941), (263, 99687), (303, 86527), (329, 79689), (707, 37083), (789, 33229), (987, 26563), (1841, 14241), (2121, 12361), (4747, 5523)]