128520390537

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{499879}}^1$

素因数の和:499963

約数の個数: 72

約数和(自身を含む): 240026379840

約数和(自身を除く): 111505989303

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 53, 63, 77, 99, 147, 159, 231, 371, 441, 477, 539, 583, 693, 1113, 1617, 1749, 2597, 3339, 4081, 4851, 5247, 7791, 12243, 23373, 28567, 36729, 85701, 257103, 499879, 1499637, 3499153, 4498911, 5498669, 10497459, 16496007, 24494071, 26493587, 31492377, 38490683, 49488021, 73482213, 79480761, 115472049, 185455109, 220446639, 238442283, 269434781, 291429457, 346416147, 556365327, 808304343, 874288371, 1298185763, 1669095981, 2040006199, 2424913029, 2622865113, 3894557289, 6120018597, 11683671867, 14280043393, 18360055791, 42840130179, 128520390537]

約数ペア:

[(1, 128520390537), (3, 42840130179), (7, 18360055791), (9, 14280043393), (11, 11683671867), (21, 6120018597), (33, 3894557289), (49, 2622865113), (53, 2424913029), (63, 2040006199), (77, 1669095981), (99, 1298185763), (147, 874288371), (159, 808304343), (231, 556365327), (371, 346416147), (441, 291429457), (477, 269434781), (539, 238442283), (583, 220446639), (693, 185455109), (1113, 115472049), (1617, 79480761), (1749, 73482213), (2597, 49488021), (3339, 38490683), (4081, 31492377), (4851, 26493587), (5247, 24494071), (7791, 16496007), (12243, 10497459), (23373, 5498669), (28567, 4498911), (36729, 3499153), (85701, 1499637), (257103, 499879)]