3121290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 8236800

約数和(自身を除く): 5115510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 439, 474, 711, 790, 878, 1185, 1317, 1422, 2195, 2370, 2634, 3555, 3951, 4390, 6585, 7110, 7902, 13170, 19755, 34681, 39510, 69362, 104043, 173405, 208086, 312129, 346810, 520215, 624258, 1040430, 1560645, 3121290]

約数ペア:

[(1, 3121290), (2, 1560645), (3, 1040430), (5, 624258), (6, 520215), (9, 346810), (10, 312129), (15, 208086), (18, 173405), (30, 104043), (45, 69362), (79, 39510), (90, 34681), (158, 19755), (237, 13170), (395, 7902), (439, 7110), (474, 6585), (711, 4390), (790, 3951), (878, 3555), (1185, 2634), (1317, 2370), (1422, 2195)]