42789789

素因数分解:

$3^4\times 7^2\times {\mathrm{10781}}^1$

素因数の和:10807

約数の個数: 30

約数和(自身を含む): 74363454

約数和(自身を除く): 31573665

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 10781, 32343, 75467, 97029, 226401, 291087, 528269, 679203, 873261, 1584807, 2037609, 4754421, 6112827, 14263263, 42789789]

約数ペア:

[(1, 42789789), (3, 14263263), (7, 6112827), (9, 4754421), (21, 2037609), (27, 1584807), (49, 873261), (63, 679203), (81, 528269), (147, 291087), (189, 226401), (441, 97029), (567, 75467), (1323, 32343), (3969, 10781)]