1800000069

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{63823}}^1$

素因数の和:63929

約数の個数: 32

約数和(自身を含む): 2941009920

約数和(自身を除く): 1141009851

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 1343, 1659, 4029, 9401, 28203, 63823, 191469, 446761, 1084991, 1340283, 3254973, 5042017, 7594937, 15126051, 22784811, 35294119, 85714289, 105882357, 257142867, 600000023, 1800000069]

約数ペア:

[(1, 1800000069), (3, 600000023), (7, 257142867), (17, 105882357), (21, 85714289), (51, 35294119), (79, 22784811), (119, 15126051), (237, 7594937), (357, 5042017), (553, 3254973), (1343, 1340283), (1659, 1084991), (4029, 446761), (9401, 191469), (28203, 63823)]