290233797

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{7499}}^1$

素因数の和:7625

約数の個数: 32

約数和(自身を含む): 470400000

約数和(自身を除く): 180166203

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 399, 679, 1843, 2037, 5529, 7499, 12901, 22497, 38703, 52493, 142481, 157479, 427443, 727403, 997367, 2182209, 2992101, 5091821, 13820657, 15275463, 41461971, 96744599, 290233797]

約数ペア:

[(1, 290233797), (3, 96744599), (7, 41461971), (19, 15275463), (21, 13820657), (57, 5091821), (97, 2992101), (133, 2182209), (291, 997367), (399, 727403), (679, 427443), (1843, 157479), (2037, 142481), (5529, 52493), (7499, 38703), (12901, 22497)]