221567367

素因数分解:

$3^1\times 7^3\times {\mathrm{163}}^1\times {\mathrm{1321}}^1$

素因数の和:1508

約数の個数: 32

約数和(自身を含む): 346892800

約数和(自身を除く): 125325433

約数列:

[1, 3, 7, 21, 49, 147, 163, 343, 489, 1029, 1141, 1321, 3423, 3963, 7987, 9247, 23961, 27741, 55909, 64729, 167727, 194187, 215323, 453103, 645969, 1359309, 1507261, 4521783, 10550827, 31652481, 73855789, 221567367]

約数ペア:

[(1, 221567367), (3, 73855789), (7, 31652481), (21, 10550827), (49, 4521783), (147, 1507261), (163, 1359309), (343, 645969), (489, 453103), (1029, 215323), (1141, 194187), (1321, 167727), (3423, 64729), (3963, 55909), (7987, 27741), (9247, 23961)]