1971879

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 3354624

約数和(自身を除く): 1382745

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 233, 273, 403, 651, 699, 1209, 1631, 2821, 3029, 4893, 7223, 8463, 9087, 21203, 21669, 50561, 63609, 93899, 151683, 281697, 657293, 1971879]

約数ペア:

[(1, 1971879), (3, 657293), (7, 281697), (13, 151683), (21, 93899), (31, 63609), (39, 50561), (91, 21669), (93, 21203), (217, 9087), (233, 8463), (273, 7223), (403, 4893), (651, 3029), (699, 2821), (1209, 1631)]