27905205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{547}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 47347200

約数和(自身を除く): 19441995

約数列:

[1, 3, 5, 15, 19, 57, 95, 179, 285, 537, 547, 895, 1641, 2685, 2735, 3401, 8205, 10203, 10393, 17005, 31179, 51015, 51965, 97913, 155895, 293739, 489565, 1468695, 1860347, 5581041, 9301735, 27905205]

約数ペア:

[(1, 27905205), (3, 9301735), (5, 5581041), (15, 1860347), (19, 1468695), (57, 489565), (95, 293739), (179, 155895), (285, 97913), (537, 51965), (547, 51015), (895, 31179), (1641, 17005), (2685, 10393), (2735, 10203), (3401, 8205)]