202123539

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 320954400

約数和(自身を除く): 118830861

約数列:

[1, 3, 9, 19, 27, 57, 89, 171, 233, 267, 361, 513, 699, 801, 1083, 1691, 2097, 2403, 3249, 4427, 5073, 6291, 9747, 13281, 15219, 20737, 32129, 39843, 45657, 62211, 84113, 96387, 119529, 186633, 252339, 289161, 394003, 559899, 757017, 867483, 1182009, 2271051, 3546027, 7486057, 10638081, 22458171, 67374513, 202123539]

約数ペア:

[(1, 202123539), (3, 67374513), (9, 22458171), (19, 10638081), (27, 7486057), (57, 3546027), (89, 2271051), (171, 1182009), (233, 867483), (267, 757017), (361, 559899), (513, 394003), (699, 289161), (801, 252339), (1083, 186633), (1691, 119529), (2097, 96387), (2403, 84113), (3249, 62211), (4427, 45657), (5073, 39843), (6291, 32129), (9747, 20737), (13281, 15219)]