331339281

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{5209}}^1$

素因数の和:5465

約数の個数: 32

約数和(自身を含む): 546174720

約数和(自身を除く): 214835439

約数列:

[1, 3, 7, 13, 21, 39, 91, 233, 273, 699, 1631, 3029, 4893, 5209, 9087, 15627, 21203, 36463, 63609, 67717, 109389, 203151, 474019, 1213697, 1422057, 3641091, 8495879, 15778061, 25487637, 47334183, 110446427, 331339281]

約数ペア:

[(1, 331339281), (3, 110446427), (7, 47334183), (13, 25487637), (21, 15778061), (39, 8495879), (91, 3641091), (233, 1422057), (273, 1213697), (699, 474019), (1631, 203151), (3029, 109389), (4893, 67717), (5209, 63609), (9087, 36463), (15627, 21203)]