216809061

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1487}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 339406848

約数和(自身を除く): 122597787

約数列:

[1, 3, 7, 21, 53, 131, 159, 371, 393, 917, 1113, 1487, 2751, 4461, 6943, 10409, 20829, 31227, 48601, 78811, 145803, 194797, 236433, 551677, 584391, 1363579, 1655031, 4090737, 10324241, 30972723, 72269687, 216809061]

約数ペア:

[(1, 216809061), (3, 72269687), (7, 30972723), (21, 10324241), (53, 4090737), (131, 1655031), (159, 1363579), (371, 584391), (393, 551677), (917, 236433), (1113, 194797), (1487, 145803), (2751, 78811), (4461, 48601), (6943, 31227), (10409, 20829)]