74972163

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 118863360

約数和(自身を除く): 43891197

約数列:

[1, 3, 7, 21, 29, 87, 203, 307, 401, 609, 921, 1203, 2149, 2807, 6447, 8421, 8903, 11629, 26709, 34887, 62321, 81403, 123107, 186963, 244209, 369321, 861749, 2585247, 3570103, 10710309, 24990721, 74972163]

約数ペア:

[(1, 74972163), (3, 24990721), (7, 10710309), (21, 3570103), (29, 2585247), (87, 861749), (203, 369321), (307, 244209), (401, 186963), (609, 123107), (921, 81403), (1203, 62321), (2149, 34887), (2807, 26709), (6447, 11629), (8421, 8903)]