628719

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:84

約数の個数: 32

約数和(自身を含む): 1075200

約数和(自身を除く): 446481

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 91, 141, 147, 273, 329, 343, 611, 637, 987, 1029, 1833, 1911, 2303, 4277, 4459, 6909, 12831, 13377, 16121, 29939, 48363, 89817, 209573, 628719]

約数ペア:

[(1, 628719), (3, 209573), (7, 89817), (13, 48363), (21, 29939), (39, 16121), (47, 13377), (49, 12831), (91, 6909), (141, 4459), (147, 4277), (273, 2303), (329, 1911), (343, 1833), (611, 1029), (637, 987)]