641790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{2377}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 1712160

約数和(自身を除く): 1070370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 2377, 4754, 7131, 11885, 14262, 21393, 23770, 35655, 42786, 64179, 71310, 106965, 128358, 213930, 320895, 641790]

約数ペア:

[(1, 641790), (2, 320895), (3, 213930), (5, 128358), (6, 106965), (9, 71310), (10, 64179), (15, 42786), (18, 35655), (27, 23770), (30, 21393), (45, 14262), (54, 11885), (90, 7131), (135, 4754), (270, 2377)]