216227439

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{19709}}^1$

素因数の和:19791

約数の個数: 24

約数和(自身を含む): 332074080

約数和(自身を除く): 115846641

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 3657, 10971, 19709, 59127, 177381, 453307, 1044577, 1359921, 3133731, 4079763, 9401193, 24025271, 72075813, 216227439]

約数ペア:

[(1, 216227439), (3, 72075813), (9, 24025271), (23, 9401193), (53, 4079763), (69, 3133731), (159, 1359921), (207, 1044577), (477, 453307), (1219, 177381), (3657, 59127), (10971, 19709)]