81380484

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{10613}}^1$

素因数の和:10697

約数の個数: 48

約数和(自身を含む): 213978240

約数和(自身を除く): 132597756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 3834, 7668, 10613, 21226, 31839, 42452, 63678, 95517, 127356, 191034, 286551, 382068, 573102, 753523, 1146204, 1507046, 2260569, 3014092, 4521138, 6781707, 9042276, 13563414, 20345121, 27126828, 40690242, 81380484]

約数ペア:

[(1, 81380484), (2, 40690242), (3, 27126828), (4, 20345121), (6, 13563414), (9, 9042276), (12, 6781707), (18, 4521138), (27, 3014092), (36, 2260569), (54, 1507046), (71, 1146204), (108, 753523), (142, 573102), (213, 382068), (284, 286551), (426, 191034), (639, 127356), (852, 95517), (1278, 63678), (1917, 42452), (2556, 31839), (3834, 21226), (7668, 10613)]