2720839

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 3133440

約数和(自身を除く): 412601

約数列:

[1, 11, 31, 79, 101, 341, 869, 1111, 2449, 3131, 7979, 26939, 34441, 87769, 247349, 2720839]

約数ペア:

[(1, 2720839), (11, 247349), (31, 87769), (79, 34441), (101, 26939), (341, 7979), (869, 3131), (1111, 2449)]