4177215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 8424000

約数和(自身を除く): 4246785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 105, 149, 267, 315, 445, 447, 623, 745, 801, 1043, 1335, 1341, 1869, 2235, 3115, 3129, 4005, 5215, 5607, 6705, 9345, 9387, 13261, 15645, 28035, 39783, 46935, 66305, 92827, 119349, 198915, 278481, 464135, 596745, 835443, 1392405, 4177215]

約数ペア:

[(1, 4177215), (3, 1392405), (5, 835443), (7, 596745), (9, 464135), (15, 278481), (21, 198915), (35, 119349), (45, 92827), (63, 66305), (89, 46935), (105, 39783), (149, 28035), (267, 15645), (315, 13261), (445, 9387), (447, 9345), (623, 6705), (745, 5607), (801, 5215), (1043, 4005), (1335, 3129), (1341, 3115), (1869, 2235)]