81396997

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 96422400

約数和(自身を除く): 15025403

約数列:

[1, 11, 29, 47, 61, 89, 319, 517, 671, 979, 1363, 1769, 2581, 2867, 4183, 5429, 14993, 19459, 28391, 31537, 46013, 59719, 83143, 121307, 157441, 255163, 914573, 1334377, 1731851, 2806793, 7399727, 81396997]

約数ペア:

[(1, 81396997), (11, 7399727), (29, 2806793), (47, 1731851), (61, 1334377), (89, 914573), (319, 255163), (517, 157441), (671, 121307), (979, 83143), (1363, 59719), (1769, 46013), (2581, 31537), (2867, 28391), (4183, 19459), (5429, 14993)]