2981797

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 3881472

約数和(自身を除く): 899675

約数列:

[1, 7, 13, 31, 49, 91, 151, 217, 403, 637, 1057, 1519, 1963, 2821, 4681, 7399, 13741, 19747, 32767, 60853, 96187, 229369, 425971, 2981797]

約数ペア:

[(1, 2981797), (7, 425971), (13, 229369), (31, 96187), (49, 60853), (91, 32767), (151, 19747), (217, 13741), (403, 7399), (637, 4681), (1057, 2821), (1519, 1963)]