1640961909

素因数分解:

$3^4\times {\mathrm{941}}^1\times {\mathrm{21529}}^1$

素因数の和:22482

約数の個数: 20

約数和(自身を含む): 2454032460

約数和(自身を除く): 813070551

約数列:

[1, 3, 9, 27, 81, 941, 2823, 8469, 21529, 25407, 64587, 76221, 193761, 581283, 1743849, 20258789, 60776367, 182329101, 546987303, 1640961909]

約数ペア:

[(1, 1640961909), (3, 546987303), (9, 182329101), (27, 60776367), (81, 20258789), (941, 1743849), (2823, 581283), (8469, 193761), (21529, 76221), (25407, 64587)]