214996971

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{67801}}^1$

素因数の和:67962

約数の個数: 16

約数和(自身を含む): 329788928

約数和(自身を除く): 114791957

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 67801, 203403, 474607, 1423821, 10237951, 30713853, 71665657, 214996971]

約数ペア:

[(1, 214996971), (3, 71665657), (7, 30713853), (21, 10237951), (151, 1423821), (453, 474607), (1057, 203403), (3171, 67801)]