2819775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 5499648

約数和(自身を除く): 2679873

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 75, 105, 123, 131, 175, 205, 287, 393, 525, 615, 655, 861, 917, 1025, 1435, 1965, 2751, 3075, 3275, 4305, 4585, 5371, 7175, 9825, 13755, 16113, 21525, 22925, 26855, 37597, 68775, 80565, 112791, 134275, 187985, 402825, 563955, 939925, 2819775]

約数ペア:

[(1, 2819775), (3, 939925), (5, 563955), (7, 402825), (15, 187985), (21, 134275), (25, 112791), (35, 80565), (41, 68775), (75, 37597), (105, 26855), (123, 22925), (131, 21525), (175, 16113), (205, 13755), (287, 9825), (393, 7175), (525, 5371), (615, 4585), (655, 4305), (861, 3275), (917, 3075), (1025, 2751), (1435, 1965)]