2103815

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 3042432

約数和(自身を除く): 938617

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 277, 1085, 1385, 1519, 1939, 7595, 8587, 9695, 13573, 42935, 60109, 67865, 300545, 420763, 2103815]

約数ペア:

[(1, 2103815), (5, 420763), (7, 300545), (31, 67865), (35, 60109), (49, 42935), (155, 13573), (217, 9695), (245, 8587), (277, 7595), (1085, 1939), (1385, 1519)]