397761

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 32

約数和(自身を含む): 688128

約数和(自身を除く): 290367

約数列:

[1, 3, 7, 13, 21, 31, 39, 47, 91, 93, 141, 217, 273, 329, 403, 611, 651, 987, 1209, 1457, 1833, 2821, 4277, 4371, 8463, 10199, 12831, 18941, 30597, 56823, 132587, 397761]

約数ペア:

[(1, 397761), (3, 132587), (7, 56823), (13, 30597), (21, 18941), (31, 12831), (39, 10199), (47, 8463), (91, 4371), (93, 4277), (141, 2821), (217, 1833), (273, 1457), (329, 1209), (403, 987), (611, 651)]