31906791

素因数分解:

$3^4\times 7^2\times {\mathrm{8039}}^1$

素因数の和:8065

約数の個数: 30

約数和(自身を含む): 55451880

約数和(自身を除く): 23545089

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 8039, 24117, 56273, 72351, 168819, 217053, 393911, 506457, 651159, 1181733, 1519371, 3545199, 4558113, 10635597, 31906791]

約数ペア:

[(1, 31906791), (3, 10635597), (7, 4558113), (9, 3545199), (21, 1519371), (27, 1181733), (49, 651159), (63, 506457), (81, 393911), (147, 217053), (189, 168819), (441, 72351), (567, 56273), (1323, 24117), (3969, 8039)]