1247691879

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{5779}}^1$

素因数の和:5964

約数の個数: 48

約数和(自身を含む): 2164032000

約数和(自身を除く): 916340121

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 149, 161, 207, 447, 483, 1043, 1341, 1449, 3129, 3427, 5779, 9387, 10281, 17337, 23989, 30843, 40453, 52011, 71967, 121359, 132917, 215901, 364077, 398751, 861071, 930419, 1196253, 2583213, 2791257, 6027497, 7749639, 8373771, 18082491, 19804633, 54247473, 59413899, 138632431, 178241697, 415897293, 1247691879]

約数ペア:

[(1, 1247691879), (3, 415897293), (7, 178241697), (9, 138632431), (21, 59413899), (23, 54247473), (63, 19804633), (69, 18082491), (149, 8373771), (161, 7749639), (207, 6027497), (447, 2791257), (483, 2583213), (1043, 1196253), (1341, 930419), (1449, 861071), (3129, 398751), (3427, 364077), (5779, 215901), (9387, 132917), (10281, 121359), (17337, 71967), (23989, 52011), (30843, 40453)]