977852869

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{23957}}^1$

素因数の和:24002

約数の個数: 20

約数和(自身を含む): 1207914444

約数和(自身を除く): 230061575

約数列:

[1, 7, 17, 49, 119, 343, 833, 2401, 5831, 23957, 40817, 167699, 407269, 1173893, 2850883, 8217251, 19956181, 57520757, 139693267, 977852869]

約数ペア:

[(1, 977852869), (7, 139693267), (17, 57520757), (49, 19956181), (119, 8217251), (343, 2850883), (833, 1173893), (2401, 407269), (5831, 167699), (23957, 40817)]