1969970877

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{172759}}^1$

素因数の和:172953

約数の個数: 24

約数和(自身を含む): 3270001280

約数和(自身を除く): 1300030403

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 3801, 11403, 172759, 518277, 1209313, 1554831, 3627939, 10883817, 31269379, 93808137, 218885653, 281424411, 656656959, 1969970877]

約数ペア:

[(1, 1969970877), (3, 656656959), (7, 281424411), (9, 218885653), (21, 93808137), (63, 31269379), (181, 10883817), (543, 3627939), (1267, 1554831), (1629, 1209313), (3801, 518277), (11403, 172759)]