2180577309

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{1637}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 3071053440

約数和(自身を除く): 890476131

約数列:

[1, 3, 29, 61, 87, 183, 251, 753, 1637, 1769, 4911, 5307, 7279, 15311, 21837, 45933, 47473, 99857, 142419, 299571, 410887, 444019, 1232661, 1332057, 2895853, 8687559, 11915723, 25064107, 35747169, 75192321, 726859103, 2180577309]

約数ペア:

[(1, 2180577309), (3, 726859103), (29, 75192321), (61, 35747169), (87, 25064107), (183, 11915723), (251, 8687559), (753, 2895853), (1637, 1332057), (1769, 1232661), (4911, 444019), (5307, 410887), (7279, 299571), (15311, 142419), (21837, 99857), (45933, 47473)]