87712989

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 150528000

約数和(自身を除く): 62815011

約数列:

[1, 3, 7, 13, 21, 39, 49, 79, 83, 91, 147, 237, 249, 273, 343, 553, 581, 637, 1027, 1029, 1079, 1659, 1743, 1911, 3081, 3237, 3871, 4067, 4459, 6557, 7189, 7553, 11613, 12201, 13377, 19671, 21567, 22659, 27097, 28469, 45899, 50323, 52871, 81291, 85241, 85407, 137697, 150969, 158613, 255723, 321293, 352261, 370097, 596687, 963879, 1056783, 1110291, 1790061, 2249051, 4176809, 6747153, 12530427, 29237663, 87712989]

約数ペア:

[(1, 87712989), (3, 29237663), (7, 12530427), (13, 6747153), (21, 4176809), (39, 2249051), (49, 1790061), (79, 1110291), (83, 1056783), (91, 963879), (147, 596687), (237, 370097), (249, 352261), (273, 321293), (343, 255723), (553, 158613), (581, 150969), (637, 137697), (1027, 85407), (1029, 85241), (1079, 81291), (1659, 52871), (1743, 50323), (1911, 45899), (3081, 28469), (3237, 27097), (3871, 22659), (4067, 21567), (4459, 19671), (6557, 13377), (7189, 12201), (7553, 11613)]