28307517

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 44359680

約数和(自身を除く): 16052163

約数列:

[1, 3, 7, 21, 79, 113, 151, 237, 339, 453, 553, 791, 1057, 1659, 2373, 3171, 8927, 11929, 17063, 26781, 35787, 51189, 62489, 83503, 119441, 187467, 250509, 358323, 1347977, 4043931, 9435839, 28307517]

約数ペア:

[(1, 28307517), (3, 9435839), (7, 4043931), (21, 1347977), (79, 358323), (113, 250509), (151, 187467), (237, 119441), (339, 83503), (453, 62489), (553, 51189), (791, 35787), (1057, 26781), (1659, 17063), (2373, 11929), (3171, 8927)]