646111791

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{240101}}^1$

素因数の和:240143

約数の個数: 24

約数和(自身を含む): 1048765536

約数和(自身を除く): 402653745

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 240101, 720303, 2160909, 3121313, 5522323, 9363939, 16566969, 28091817, 49700907, 71790199, 215370597, 646111791]

約数ペア:

[(1, 646111791), (3, 215370597), (9, 71790199), (13, 49700907), (23, 28091817), (39, 16566969), (69, 9363939), (117, 5522323), (207, 3121313), (299, 2160909), (897, 720303), (2691, 240101)]