187728639

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{673}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 295050240

約数和(自身を除く): 107321601

約数列:

[1, 3, 7, 21, 37, 111, 259, 359, 673, 777, 1077, 2019, 2513, 4711, 7539, 13283, 14133, 24901, 39849, 74703, 92981, 174307, 241607, 278943, 522921, 724821, 1691249, 5073747, 8939459, 26818377, 62576213, 187728639]

約数ペア:

[(1, 187728639), (3, 62576213), (7, 26818377), (21, 8939459), (37, 5073747), (111, 1691249), (259, 724821), (359, 522921), (673, 278943), (777, 241607), (1077, 174307), (2019, 92981), (2513, 74703), (4711, 39849), (7539, 24901), (13283, 14133)]