163390941

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{7883}}^1$

素因数の和:7950

約数の個数: 36

約数和(自身を含む): 280418112

約数和(自身を除く): 117027171

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 6909, 7883, 20727, 23649, 55181, 70947, 165543, 370501, 386267, 496629, 1111503, 1158801, 2593507, 3334509, 3476403, 7780521, 18154549, 23341563, 54463647, 163390941]

約数ペア:

[(1, 163390941), (3, 54463647), (7, 23341563), (9, 18154549), (21, 7780521), (47, 3476403), (49, 3334509), (63, 2593507), (141, 1158801), (147, 1111503), (329, 496629), (423, 386267), (441, 370501), (987, 165543), (2303, 70947), (2961, 55181), (6909, 23649), (7883, 20727)]