161805237

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 243357696

約数和(自身を除く): 81552459

約数列:

[1, 3, 11, 33, 53, 71, 159, 213, 583, 781, 1303, 1749, 2343, 3763, 3909, 11289, 14333, 41393, 42999, 69059, 92513, 124179, 207177, 277539, 759649, 1017643, 2278947, 3052929, 4903189, 14709567, 53935079, 161805237]

約数ペア:

[(1, 161805237), (3, 53935079), (11, 14709567), (33, 4903189), (53, 3052929), (71, 2278947), (159, 1017643), (213, 759649), (583, 277539), (781, 207177), (1303, 124179), (1749, 92513), (2343, 69059), (3763, 42999), (3909, 41393), (11289, 14333)]