31380321

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22303}}^1$

素因数の和:22380

約数の個数: 16

約数和(自身を含む): 48533504

約数和(自身を除く): 17153183

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 22303, 66909, 156121, 468363, 1494301, 4482903, 10460107, 31380321]

約数ペア:

[(1, 31380321), (3, 10460107), (7, 4482903), (21, 1494301), (67, 468363), (201, 156121), (469, 66909), (1407, 22303)]