2640195

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 4953312

約数和(自身を除く): 2313117

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 53, 81, 123, 135, 159, 205, 243, 265, 369, 405, 477, 615, 795, 1107, 1215, 1431, 1845, 2173, 2385, 3321, 4293, 5535, 6519, 7155, 9963, 10865, 12879, 16605, 19557, 21465, 32595, 49815, 58671, 64395, 97785, 176013, 293355, 528039, 880065, 2640195]

約数ペア:

[(1, 2640195), (3, 880065), (5, 528039), (9, 293355), (15, 176013), (27, 97785), (41, 64395), (45, 58671), (53, 49815), (81, 32595), (123, 21465), (135, 19557), (159, 16605), (205, 12879), (243, 10865), (265, 9963), (369, 7155), (405, 6519), (477, 5535), (615, 4293), (795, 3321), (1107, 2385), (1215, 2173), (1431, 1845)]