18120375

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:103

約数の個数: 128

約数和(自身を含む): 41932800

約数和(自身を除く): 23812425

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 59, 63, 65, 75, 91, 105, 117, 125, 135, 175, 177, 189, 195, 225, 273, 295, 315, 325, 351, 375, 413, 455, 525, 531, 585, 675, 767, 819, 875, 885, 945, 975, 1125, 1239, 1365, 1475, 1575, 1593, 1625, 1755, 2065, 2275, 2301, 2457, 2625, 2655, 2925, 3375, 3717, 3835, 4095, 4425, 4725, 4875, 5369, 6195, 6825, 6903, 7375, 7875, 7965, 8775, 10325, 11151, 11375, 11505, 12285, 13275, 14625, 16107, 18585, 19175, 20475, 20709, 22125, 23625, 26845, 30975, 34125, 34515, 39825, 43875, 48321, 51625, 55755, 57525, 61425, 66375, 80535, 92925, 95875, 102375, 103545, 134225, 144963, 154875, 172575, 199125, 241605, 278775, 287625, 307125, 402675, 464625, 517725, 671125, 724815, 862875, 1208025, 1393875, 2013375, 2588625, 3624075, 6040125, 18120375]

約数ペア:

[(1, 18120375), (3, 6040125), (5, 3624075), (7, 2588625), (9, 2013375), (13, 1393875), (15, 1208025), (21, 862875), (25, 724815), (27, 671125), (35, 517725), (39, 464625), (45, 402675), (59, 307125), (63, 287625), (65, 278775), (75, 241605), (91, 199125), (105, 172575), (117, 154875), (125, 144963), (135, 134225), (175, 103545), (177, 102375), (189, 95875), (195, 92925), (225, 80535), (273, 66375), (295, 61425), (315, 57525), (325, 55755), (351, 51625), (375, 48321), (413, 43875), (455, 39825), (525, 34515), (531, 34125), (585, 30975), (675, 26845), (767, 23625), (819, 22125), (875, 20709), (885, 20475), (945, 19175), (975, 18585), (1125, 16107), (1239, 14625), (1365, 13275), (1475, 12285), (1575, 11505), (1593, 11375), (1625, 11151), (1755, 10325), (2065, 8775), (2275, 7965), (2301, 7875), (2457, 7375), (2625, 6903), (2655, 6825), (2925, 6195), (3375, 5369), (3717, 4875), (3835, 4725), (4095, 4425)]