397606461

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{266671}}^1$

素因数の和:266752

約数の個数: 16

約数和(自身を含む): 614412288

約数和(自身を除く): 216805827

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 266671, 800013, 1866697, 5600091, 18933641, 56800923, 132535487, 397606461]

約数ペア:

[(1, 397606461), (3, 132535487), (7, 56800923), (21, 18933641), (71, 5600091), (213, 1866697), (497, 800013), (1491, 266671)]