287521917

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1\times {\mathrm{2861}}^1$

素因数の和:3244

約数の個数: 16

約数和(自身を含む): 387858240

約数和(自身を除く): 100336323

約数列:

[1, 3, 139, 241, 417, 723, 2861, 8583, 33499, 100497, 397679, 689501, 1193037, 2068503, 95840639, 287521917]

約数ペア:

[(1, 287521917), (3, 95840639), (139, 2068503), (241, 1193037), (417, 689501), (723, 397679), (2861, 100497), (8583, 33499)]