291211578

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{770401}}^1$

素因数の和:770419

約数の個数: 32

約数和(自身を含む): 739585920

約数和(自身を除く): 448374342

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 770401, 1540802, 2311203, 4622406, 5392807, 6933609, 10785614, 13867218, 16178421, 20800827, 32356842, 41601654, 48535263, 97070526, 145605789, 291211578]

約数ペア:

[(1, 291211578), (2, 145605789), (3, 97070526), (6, 48535263), (7, 41601654), (9, 32356842), (14, 20800827), (18, 16178421), (21, 13867218), (27, 10785614), (42, 6933609), (54, 5392807), (63, 4622406), (126, 2311203), (189, 1540802), (378, 770401)]