28231413

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 44943360

約数和(自身を除く): 16711947

約数列:

[1, 3, 7, 21, 29, 87, 151, 203, 307, 453, 609, 921, 1057, 2149, 3171, 4379, 6447, 8903, 13137, 26709, 30653, 46357, 62321, 91959, 139071, 186963, 324499, 973497, 1344353, 4033059, 9410471, 28231413]

約数ペア:

[(1, 28231413), (3, 9410471), (7, 4033059), (21, 1344353), (29, 973497), (87, 324499), (151, 186963), (203, 139071), (307, 91959), (453, 62321), (609, 46357), (921, 30653), (1057, 26709), (2149, 13137), (3171, 8903), (4379, 6447)]