87993009

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 150433920

約数和(自身を除く): 62440911

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 247, 299, 437, 741, 897, 1311, 1721, 2223, 2691, 3933, 5163, 5681, 15489, 17043, 22373, 32699, 39583, 51129, 67119, 98097, 118749, 201357, 294291, 356247, 425087, 514579, 752077, 1275261, 1543737, 2256231, 3825783, 4631211, 6768693, 9777001, 29331003, 87993009]

約数ペア:

[(1, 87993009), (3, 29331003), (9, 9777001), (13, 6768693), (19, 4631211), (23, 3825783), (39, 2256231), (57, 1543737), (69, 1275261), (117, 752077), (171, 514579), (207, 425087), (247, 356247), (299, 294291), (437, 201357), (741, 118749), (897, 98097), (1311, 67119), (1721, 51129), (2223, 39583), (2691, 32699), (3933, 22373), (5163, 17043), (5681, 15489)]