17940195

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 38596896

約数和(自身を除く): 20656701

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 169, 195, 273, 315, 337, 455, 507, 585, 819, 845, 1011, 1183, 1365, 1521, 1685, 2359, 2535, 3033, 3549, 4095, 4381, 5055, 5915, 7077, 7605, 10647, 11795, 13143, 15165, 17745, 21231, 21905, 30667, 35385, 39429, 53235, 56953, 65715, 92001, 106155, 153335, 170859, 197145, 276003, 284765, 398671, 460005, 512577, 854295, 1196013, 1380015, 1993355, 2562885, 3588039, 5980065, 17940195]

約数ペア:

[(1, 17940195), (3, 5980065), (5, 3588039), (7, 2562885), (9, 1993355), (13, 1380015), (15, 1196013), (21, 854295), (35, 512577), (39, 460005), (45, 398671), (63, 284765), (65, 276003), (91, 197145), (105, 170859), (117, 153335), (169, 106155), (195, 92001), (273, 65715), (315, 56953), (337, 53235), (455, 39429), (507, 35385), (585, 30667), (819, 21905), (845, 21231), (1011, 17745), (1183, 15165), (1365, 13143), (1521, 11795), (1685, 10647), (2359, 7605), (2535, 7077), (3033, 5915), (3549, 5055), (4095, 4381)]