64216305

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 114566400

約数和(自身を除く): 50350095

約数列:

[1, 3, 5, 9, 15, 45, 71, 101, 199, 213, 303, 355, 505, 597, 639, 909, 995, 1065, 1515, 1791, 2985, 3195, 4545, 7171, 8955, 14129, 20099, 21513, 35855, 42387, 60297, 64539, 70645, 100495, 107565, 127161, 180891, 211935, 301485, 322695, 635805, 904455, 1427029, 4281087, 7135145, 12843261, 21405435, 64216305]

約数ペア:

[(1, 64216305), (3, 21405435), (5, 12843261), (9, 7135145), (15, 4281087), (45, 1427029), (71, 904455), (101, 635805), (199, 322695), (213, 301485), (303, 211935), (355, 180891), (505, 127161), (597, 107565), (639, 100495), (909, 70645), (995, 64539), (1065, 60297), (1515, 42387), (1791, 35855), (2985, 21513), (3195, 20099), (4545, 14129), (7171, 8955)]