28185045

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 54194688

約数和(自身を除く): 26009643

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 465, 651, 735, 1085, 1237, 1519, 3255, 3711, 4557, 6185, 7595, 8659, 18555, 22785, 25977, 38347, 43295, 60613, 115041, 129885, 181839, 191735, 268429, 303065, 575205, 805287, 909195, 1342145, 1879003, 4026435, 5637009, 9395015, 28185045]

約数ペア:

[(1, 28185045), (3, 9395015), (5, 5637009), (7, 4026435), (15, 1879003), (21, 1342145), (31, 909195), (35, 805287), (49, 575205), (93, 303065), (105, 268429), (147, 191735), (155, 181839), (217, 129885), (245, 115041), (465, 60613), (651, 43295), (735, 38347), (1085, 25977), (1237, 22785), (1519, 18555), (3255, 8659), (3711, 7595), (4557, 6185)]