81463644

素因数分解:

$2^2\times 3^4\times {\mathrm{251431}}^1$

素因数の和:251447

約数の個数: 30

約数和(自身を含む): 212962904

約数和(自身を除く): 131499260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 251431, 502862, 754293, 1005724, 1508586, 2262879, 3017172, 4525758, 6788637, 9051516, 13577274, 20365911, 27154548, 40731822, 81463644]

約数ペア:

[(1, 81463644), (2, 40731822), (3, 27154548), (4, 20365911), (6, 13577274), (9, 9051516), (12, 6788637), (18, 4525758), (27, 3017172), (36, 2262879), (54, 1508586), (81, 1005724), (108, 754293), (162, 502862), (324, 251431)]