28317315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7643}}^1$

素因数の和:7683

約数の個数: 32

約数和(自身を含む): 51367680

約数和(自身を除く): 23050365

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7643, 22929, 38215, 99359, 114645, 145217, 298077, 435651, 496795, 726085, 1490385, 1887821, 2178255, 5663463, 9439105, 28317315]

約数ペア:

[(1, 28317315), (3, 9439105), (5, 5663463), (13, 2178255), (15, 1887821), (19, 1490385), (39, 726085), (57, 496795), (65, 435651), (95, 298077), (195, 145217), (247, 114645), (285, 99359), (741, 38215), (1235, 22929), (3705, 7643)]