2640933

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 4147416

約数和(自身を除く): 1506483

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 421, 697, 1263, 2091, 3789, 6273, 7157, 17261, 21471, 51783, 64413, 155349, 293437, 880311, 2640933]

約数ペア:

[(1, 2640933), (3, 880311), (9, 293437), (17, 155349), (41, 64413), (51, 51783), (123, 21471), (153, 17261), (369, 7157), (421, 6273), (697, 3789), (1263, 2091)]