201780969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{887}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 306324480

約数和(自身を除く): 104543511

約数列:

[1, 3, 13, 19, 39, 57, 247, 307, 741, 887, 921, 2661, 3991, 5833, 11531, 11973, 16853, 17499, 34593, 50559, 75829, 219089, 227487, 272309, 657267, 816927, 3540017, 5173871, 10620051, 15521613, 67260323, 201780969]

約数ペア:

[(1, 201780969), (3, 67260323), (13, 15521613), (19, 10620051), (39, 5173871), (57, 3540017), (247, 816927), (307, 657267), (741, 272309), (887, 227487), (921, 219089), (2661, 75829), (3991, 50559), (5833, 34593), (11531, 17499), (11973, 16853)]