28490805

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 60739200

約数和(自身を除く): 32248395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 59, 63, 73, 105, 135, 147, 177, 189, 219, 245, 295, 315, 365, 413, 441, 511, 531, 657, 735, 885, 945, 1095, 1239, 1323, 1533, 1593, 1971, 2065, 2205, 2555, 2655, 2891, 3285, 3577, 3717, 4307, 4599, 6195, 6615, 7665, 7965, 8673, 9855, 10731, 11151, 12921, 13797, 14455, 17885, 18585, 21535, 22995, 26019, 30149, 32193, 38763, 43365, 53655, 55755, 64605, 68985, 78057, 90447, 96579, 116289, 130095, 150745, 160965, 193815, 211043, 271341, 390285, 452235, 482895, 581445, 633129, 814023, 1055215, 1356705, 1899387, 3165645, 4070115, 5698161, 9496935, 28490805]

約数ペア:

[(1, 28490805), (3, 9496935), (5, 5698161), (7, 4070115), (9, 3165645), (15, 1899387), (21, 1356705), (27, 1055215), (35, 814023), (45, 633129), (49, 581445), (59, 482895), (63, 452235), (73, 390285), (105, 271341), (135, 211043), (147, 193815), (177, 160965), (189, 150745), (219, 130095), (245, 116289), (295, 96579), (315, 90447), (365, 78057), (413, 68985), (441, 64605), (511, 55755), (531, 53655), (657, 43365), (735, 38763), (885, 32193), (945, 30149), (1095, 26019), (1239, 22995), (1323, 21535), (1533, 18585), (1593, 17885), (1971, 14455), (2065, 13797), (2205, 12921), (2555, 11151), (2655, 10731), (2891, 9855), (3285, 8673), (3577, 7965), (3717, 7665), (4307, 6615), (4599, 6195)]