1900225817

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1\times {\mathrm{313}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 2279368704

約数和(自身を除く): 379142887

約数列:

[1, 7, 31, 101, 217, 277, 313, 707, 1939, 2191, 3131, 8587, 9703, 21917, 27977, 31613, 60109, 67921, 86701, 195839, 221291, 606907, 867287, 980003, 2687731, 6071009, 6860021, 8756801, 18814117, 61297607, 271460831, 1900225817]

約数ペア:

[(1, 1900225817), (7, 271460831), (31, 61297607), (101, 18814117), (217, 8756801), (277, 6860021), (313, 6071009), (707, 2687731), (1939, 980003), (2191, 867287), (3131, 606907), (8587, 221291), (9703, 195839), (21917, 86701), (27977, 67921), (31613, 60109)]