215511138

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{29131}}^1$

素因数の和:29279

約数の個数: 32

約数和(自身を含む): 482425920

約数和(自身を除く): 266914782

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 3699, 7398, 29131, 58262, 87393, 174786, 262179, 524358, 786537, 1573074, 3990947, 7981894, 11972841, 23945682, 35918523, 71837046, 107755569, 215511138]

約数ペア:

[(1, 215511138), (2, 107755569), (3, 71837046), (6, 35918523), (9, 23945682), (18, 11972841), (27, 7981894), (54, 3990947), (137, 1573074), (274, 786537), (411, 524358), (822, 262179), (1233, 174786), (2466, 87393), (3699, 58262), (7398, 29131)]