2004405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 3642240

約数和(自身を除く): 1637835

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 541, 741, 1235, 1623, 2705, 3705, 7033, 8115, 10279, 21099, 30837, 35165, 51395, 105495, 133627, 154185, 400881, 668135, 2004405]

約数ペア:

[(1, 2004405), (3, 668135), (5, 400881), (13, 154185), (15, 133627), (19, 105495), (39, 51395), (57, 35165), (65, 30837), (95, 21099), (195, 10279), (247, 8115), (285, 7033), (541, 3705), (741, 2705), (1235, 1623)]