888977187

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 1609977600

約数和(自身を除く): 721000413

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 179, 189, 399, 461, 513, 537, 567, 1197, 1253, 1383, 1539, 1611, 3227, 3401, 3591, 3759, 4149, 4833, 8759, 9681, 10203, 10773, 11277, 12447, 14499, 23807, 26277, 29043, 30609, 33831, 37341, 61313, 71421, 78831, 82519, 87129, 91827, 101493, 183939, 214263, 236493, 247557, 261387, 275481, 551817, 577633, 642789, 709479, 742671, 1567861, 1655451, 1732899, 1928367, 2228013, 4703583, 4966353, 5198697, 6684039, 10975027, 14110749, 15596091, 32925081, 42332247, 46788273, 98775243, 126996741, 296325729, 888977187]

約数ペア:

[(1, 888977187), (3, 296325729), (7, 126996741), (9, 98775243), (19, 46788273), (21, 42332247), (27, 32925081), (57, 15596091), (63, 14110749), (81, 10975027), (133, 6684039), (171, 5198697), (179, 4966353), (189, 4703583), (399, 2228013), (461, 1928367), (513, 1732899), (537, 1655451), (567, 1567861), (1197, 742671), (1253, 709479), (1383, 642789), (1539, 577633), (1611, 551817), (3227, 275481), (3401, 261387), (3591, 247557), (3759, 236493), (4149, 214263), (4833, 183939), (8759, 101493), (9681, 91827), (10203, 87129), (10773, 82519), (11277, 78831), (12447, 71421), (14499, 61313), (23807, 37341), (26277, 33831), (29043, 30609)]