259444983

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2909}}^1$

素因数の和:3087

約数の個数: 32

約数和(自身を含む): 411217920

約数和(自身を除く): 151772937

約数列:

[1, 3, 7, 21, 31, 93, 137, 217, 411, 651, 959, 2877, 2909, 4247, 8727, 12741, 20363, 29729, 61089, 89187, 90179, 270537, 398533, 631253, 1195599, 1893759, 2789731, 8369193, 12354523, 37063569, 86481661, 259444983]

約数ペア:

[(1, 259444983), (3, 86481661), (7, 37063569), (21, 12354523), (31, 8369193), (93, 2789731), (137, 1893759), (217, 1195599), (411, 631253), (651, 398533), (959, 270537), (2877, 90179), (2909, 89187), (4247, 61089), (8727, 29729), (12741, 20363)]