71447943

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 112066560

約数和(自身を除く): 40618617

約数列:

[1, 3, 7, 21, 47, 141, 191, 329, 379, 573, 987, 1137, 1337, 2653, 4011, 7959, 8977, 17813, 26931, 53439, 62839, 72389, 124691, 188517, 217167, 374073, 506723, 1520169, 3402283, 10206849, 23815981, 71447943]

約数ペア:

[(1, 71447943), (3, 23815981), (7, 10206849), (21, 3402283), (47, 1520169), (141, 506723), (191, 374073), (329, 217167), (379, 188517), (573, 124691), (987, 72389), (1137, 62839), (1337, 53439), (2653, 26931), (4011, 17813), (7959, 8977)]