28878435

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 51948000

約数和(自身を除く): 23069565

約数列:

[1, 3, 5, 9, 15, 45, 59, 73, 149, 177, 219, 295, 365, 447, 531, 657, 745, 885, 1095, 1341, 2235, 2655, 3285, 4307, 6705, 8791, 10877, 12921, 21535, 26373, 32631, 38763, 43955, 54385, 64605, 79119, 97893, 131865, 163155, 193815, 395595, 489465, 641743, 1925229, 3208715, 5775687, 9626145, 28878435]

約数ペア:

[(1, 28878435), (3, 9626145), (5, 5775687), (9, 3208715), (15, 1925229), (45, 641743), (59, 489465), (73, 395595), (149, 193815), (177, 163155), (219, 131865), (295, 97893), (365, 79119), (447, 64605), (531, 54385), (657, 43955), (745, 38763), (885, 32631), (1095, 26373), (1341, 21535), (2235, 12921), (2655, 10877), (3285, 8791), (4307, 6705)]