161520759

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{563}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 236500992

約数和(自身を除く): 74980233

約数列:

[1, 3, 9, 127, 251, 381, 563, 753, 1143, 1689, 2259, 5067, 31877, 71501, 95631, 141313, 214503, 286893, 423939, 643509, 1271817, 17946751, 53840253, 161520759]

約数ペア:

[(1, 161520759), (3, 53840253), (9, 17946751), (127, 1271817), (251, 643509), (381, 423939), (563, 286893), (753, 214503), (1143, 141313), (1689, 95631), (2259, 71501), (5067, 31877)]