81173465

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 105684480

約数和(自身を除く): 24511015

約数列:

[1, 5, 29, 43, 47, 145, 215, 235, 277, 1247, 1363, 1385, 2021, 6235, 6815, 8033, 10105, 11911, 13019, 40165, 58609, 59555, 65095, 293045, 345419, 377551, 559817, 1727095, 1887755, 2799085, 16234693, 81173465]

約数ペア:

[(1, 81173465), (5, 16234693), (29, 2799085), (43, 1887755), (47, 1727095), (145, 559817), (215, 377551), (235, 345419), (277, 293045), (1247, 65095), (1363, 59555), (1385, 58609), (2021, 40165), (6235, 13019), (6815, 11911), (8033, 10105)]