205606431

素因数分解:

$3^7\times {\mathrm{41}}^1\times {\mathrm{2293}}^1$

素因数の和:2355

約数の個数: 32

約数和(自身を含む): 316021440

約数和(自身を除く): 110415009

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 729, 1107, 2187, 2293, 3321, 6879, 9963, 20637, 29889, 61911, 89667, 94013, 185733, 282039, 557199, 846117, 1671597, 2538351, 5014791, 7615053, 22845159, 68535477, 205606431]

約数ペア:

[(1, 205606431), (3, 68535477), (9, 22845159), (27, 7615053), (41, 5014791), (81, 2538351), (123, 1671597), (243, 846117), (369, 557199), (729, 282039), (1107, 185733), (2187, 94013), (2293, 89667), (3321, 61911), (6879, 29889), (9963, 20637)]