208963425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13331}}^1$

素因数の和:13374

約数の個数: 48

約数和(自身を含む): 396760320

約数和(自身を除く): 187796895

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 3135, 5225, 13331, 15675, 39993, 66655, 146641, 199965, 253289, 333275, 439923, 733205, 759867, 999825, 1266445, 2199615, 2786179, 3666025, 3799335, 6332225, 8358537, 10998075, 13930895, 18996675, 41792685, 69654475, 208963425]

約数ペア:

[(1, 208963425), (3, 69654475), (5, 41792685), (11, 18996675), (15, 13930895), (19, 10998075), (25, 8358537), (33, 6332225), (55, 3799335), (57, 3666025), (75, 2786179), (95, 2199615), (165, 1266445), (209, 999825), (275, 759867), (285, 733205), (475, 439923), (627, 333275), (825, 253289), (1045, 199965), (1425, 146641), (3135, 66655), (5225, 39993), (13331, 15675)]