68615421

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{367}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 108810240

約数和(自身を除く): 40194819

約数列:

[1, 3, 7, 21, 29, 87, 203, 307, 367, 609, 921, 1101, 2149, 2569, 6447, 7707, 8903, 10643, 26709, 31929, 62321, 74501, 112669, 186963, 223503, 338007, 788683, 2366049, 3267401, 9802203, 22871807, 68615421]

約数ペア:

[(1, 68615421), (3, 22871807), (7, 9802203), (21, 3267401), (29, 2366049), (87, 788683), (203, 338007), (307, 223503), (367, 186963), (609, 112669), (921, 74501), (1101, 62321), (2149, 31929), (2569, 26709), (6447, 10643), (7707, 8903)]