821917692

素因数分解:

$2^2\times 3^4\times {\mathrm{487}}^1\times {\mathrm{5209}}^1$

素因数の和:5712

約数の個数: 60

約数和(自身を含む): 2153480560

約数和(自身を除く): 1331562868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 487, 974, 1461, 1948, 2922, 4383, 5209, 5844, 8766, 10418, 13149, 15627, 17532, 20836, 26298, 31254, 39447, 46881, 52596, 62508, 78894, 93762, 140643, 157788, 187524, 281286, 421929, 562572, 843858, 1687716, 2536783, 5073566, 7610349, 10147132, 15220698, 22831047, 30441396, 45662094, 68493141, 91324188, 136986282, 205479423, 273972564, 410958846, 821917692]

約数ペア:

[(1, 821917692), (2, 410958846), (3, 273972564), (4, 205479423), (6, 136986282), (9, 91324188), (12, 68493141), (18, 45662094), (27, 30441396), (36, 22831047), (54, 15220698), (81, 10147132), (108, 7610349), (162, 5073566), (324, 2536783), (487, 1687716), (974, 843858), (1461, 562572), (1948, 421929), (2922, 281286), (4383, 187524), (5209, 157788), (5844, 140643), (8766, 93762), (10418, 78894), (13149, 62508), (15627, 52596), (17532, 46881), (20836, 39447), (26298, 31254)]