31810023

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3581}}^1$

素因数の和:3644

約数の個数: 32

約数和(自身を含む): 55019520

約数和(自身を除く): 23209497

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 3581, 8883, 10743, 25067, 32229, 75201, 96687, 168307, 225603, 504921, 676809, 1178149, 1514763, 3534447, 4544289, 10603341, 31810023]

約数ペア:

[(1, 31810023), (3, 10603341), (7, 4544289), (9, 3534447), (21, 1514763), (27, 1178149), (47, 676809), (63, 504921), (141, 225603), (189, 168307), (329, 96687), (423, 75201), (987, 32229), (1269, 25067), (2961, 10743), (3581, 8883)]