161870247

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1433}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 293499648

約数和(自身を除く): 131629401

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 163, 231, 489, 693, 1141, 1433, 1467, 1793, 3423, 4299, 5379, 10031, 10269, 12551, 12897, 15763, 16137, 30093, 37653, 47289, 90279, 110341, 112959, 141867, 233579, 331023, 700737, 993069, 1635053, 2102211, 2569369, 4905159, 7708107, 14715477, 17985583, 23124321, 53956749, 161870247]

約数ペア:

[(1, 161870247), (3, 53956749), (7, 23124321), (9, 17985583), (11, 14715477), (21, 7708107), (33, 4905159), (63, 2569369), (77, 2102211), (99, 1635053), (163, 993069), (231, 700737), (489, 331023), (693, 233579), (1141, 141867), (1433, 112959), (1467, 110341), (1793, 90279), (3423, 47289), (4299, 37653), (5379, 30093), (10031, 16137), (10269, 15763), (12551, 12897)]