208095993

素因数分解:

$3^3\times 7^2\times {\mathrm{157291}}^1$

素因数の和:157314

約数の個数: 24

約数和(自身を含む): 358625760

約数和(自身を除く): 150529767

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 157291, 471873, 1101037, 1415619, 3303111, 4246857, 7707259, 9909333, 23121777, 29727999, 69365331, 208095993]

約数ペア:

[(1, 208095993), (3, 69365331), (7, 29727999), (9, 23121777), (21, 9909333), (27, 7707259), (49, 4246857), (63, 3303111), (147, 1415619), (189, 1101037), (441, 471873), (1323, 157291)]