31781295

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 70272000

約数和(自身を除く): 38490705

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 169, 189, 195, 199, 273, 315, 351, 455, 507, 585, 597, 819, 845, 945, 995, 1183, 1365, 1393, 1521, 1755, 1791, 2457, 2535, 2587, 2985, 3549, 4095, 4179, 4563, 5373, 5915, 6965, 7605, 7761, 8955, 10647, 12285, 12537, 12935, 17745, 18109, 20895, 22815, 23283, 26865, 31941, 33631, 37611, 38805, 53235, 54327, 62685, 69849, 90545, 100893, 116415, 159705, 162981, 168155, 188055, 235417, 271635, 302679, 349245, 488943, 504465, 706251, 814905, 908037, 1177085, 1513395, 2118753, 2444715, 3531255, 4540185, 6356259, 10593765, 31781295]

約数ペア:

[(1, 31781295), (3, 10593765), (5, 6356259), (7, 4540185), (9, 3531255), (13, 2444715), (15, 2118753), (21, 1513395), (27, 1177085), (35, 908037), (39, 814905), (45, 706251), (63, 504465), (65, 488943), (91, 349245), (105, 302679), (117, 271635), (135, 235417), (169, 188055), (189, 168155), (195, 162981), (199, 159705), (273, 116415), (315, 100893), (351, 90545), (455, 69849), (507, 62685), (585, 54327), (597, 53235), (819, 38805), (845, 37611), (945, 33631), (995, 31941), (1183, 26865), (1365, 23283), (1393, 22815), (1521, 20895), (1755, 18109), (1791, 17745), (2457, 12935), (2535, 12537), (2587, 12285), (2985, 10647), (3549, 8955), (4095, 7761), (4179, 7605), (4563, 6965), (5373, 5915)]