287449791

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{587}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 411844608

約数和(自身を除く): 124394817

約数列:

[1, 3, 23, 47, 69, 141, 151, 453, 587, 1081, 1761, 3243, 3473, 7097, 10419, 13501, 21291, 27589, 40503, 82767, 88637, 163231, 265911, 489693, 634547, 1903641, 2038651, 4165939, 6115953, 12497817, 95816597, 287449791]

約数ペア:

[(1, 287449791), (3, 95816597), (23, 12497817), (47, 6115953), (69, 4165939), (141, 2038651), (151, 1903641), (453, 634547), (587, 489693), (1081, 265911), (1761, 163231), (3243, 88637), (3473, 82767), (7097, 40503), (10419, 27589), (13501, 21291)]