201519997

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1097}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 246338496

約数和(自身を除く): 44818499

約数列:

[1, 7, 23, 49, 161, 163, 1097, 1127, 1141, 3749, 7679, 7987, 25231, 26243, 53753, 176617, 178811, 183701, 1236319, 1251677, 4112653, 8761739, 28788571, 201519997]

約数ペア:

[(1, 201519997), (7, 28788571), (23, 8761739), (49, 4112653), (161, 1251677), (163, 1236319), (1097, 183701), (1127, 178811), (1141, 176617), (3749, 53753), (7679, 26243), (7987, 25231)]