81965358

素因数分解:

$2^1\times 3^5\times {\mathrm{191}}^1\times {\mathrm{883}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 185342976

約数和(自身を除く): 103377618

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 191, 243, 382, 486, 573, 883, 1146, 1719, 1766, 2649, 3438, 5157, 5298, 7947, 10314, 15471, 15894, 23841, 30942, 46413, 47682, 71523, 92826, 143046, 168653, 214569, 337306, 429138, 505959, 1011918, 1517877, 3035754, 4553631, 9107262, 13660893, 27321786, 40982679, 81965358]

約数ペア:

[(1, 81965358), (2, 40982679), (3, 27321786), (6, 13660893), (9, 9107262), (18, 4553631), (27, 3035754), (54, 1517877), (81, 1011918), (162, 505959), (191, 429138), (243, 337306), (382, 214569), (486, 168653), (573, 143046), (883, 92826), (1146, 71523), (1719, 47682), (1766, 46413), (2649, 30942), (3438, 23841), (5157, 15894), (5298, 15471), (7947, 10314)]