219620889

素因数分解:

$3^4\times {\mathrm{281}}^1\times {\mathrm{9649}}^1$

素因数の和:9942

約数の個数: 20

約数和(自身を含む): 329277300

約数和(自身を除く): 109656411

約数列:

[1, 3, 9, 27, 81, 281, 843, 2529, 7587, 9649, 22761, 28947, 86841, 260523, 781569, 2711369, 8134107, 24402321, 73206963, 219620889]

約数ペア:

[(1, 219620889), (3, 73206963), (9, 24402321), (27, 8134107), (81, 2711369), (281, 781569), (843, 260523), (2529, 86841), (7587, 28947), (9649, 22761)]