290975919

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{12211}}^1$

素因数の和:12287

約数の個数: 24

約数和(自身を含む): 429080832

約数和(自身を除く): 138104913

約数列:

[1, 3, 13, 39, 47, 141, 169, 507, 611, 1833, 7943, 12211, 23829, 36633, 158743, 476229, 573917, 1721751, 2063659, 6190977, 7460921, 22382763, 96991973, 290975919]

約数ペア:

[(1, 290975919), (3, 96991973), (13, 22382763), (39, 7460921), (47, 6190977), (141, 2063659), (169, 1721751), (507, 573917), (611, 476229), (1833, 158743), (7943, 36633), (12211, 23829)]