81963972

素因数分解:

$2^2\times 3^2\times {\mathrm{1109}}^1\times {\mathrm{2053}}^1$

素因数の和:3172

約数の個数: 36

約数和(自身を含む): 207474540

約数和(自身を除く): 125510568

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1109, 2053, 2218, 3327, 4106, 4436, 6159, 6654, 8212, 9981, 12318, 13308, 18477, 19962, 24636, 36954, 39924, 73908, 2276777, 4553554, 6830331, 9107108, 13660662, 20490993, 27321324, 40981986, 81963972]

約数ペア:

[(1, 81963972), (2, 40981986), (3, 27321324), (4, 20490993), (6, 13660662), (9, 9107108), (12, 6830331), (18, 4553554), (36, 2276777), (1109, 73908), (2053, 39924), (2218, 36954), (3327, 24636), (4106, 19962), (4436, 18477), (6159, 13308), (6654, 12318), (8212, 9981)]