8251971

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 13698048

約数和(自身を除く): 5446077

約数列:

[1, 3, 7, 13, 21, 39, 91, 167, 181, 273, 501, 543, 1169, 1267, 2171, 2353, 3507, 3801, 6513, 7059, 15197, 16471, 30227, 45591, 49413, 90681, 211589, 392951, 634767, 1178853, 2750657, 8251971]

約数ペア:

[(1, 8251971), (3, 2750657), (7, 1178853), (13, 634767), (21, 392951), (39, 211589), (91, 90681), (167, 49413), (181, 45591), (273, 30227), (501, 16471), (543, 15197), (1169, 7059), (1267, 6513), (2171, 3801), (2353, 3507)]