1392405

素因数分解:

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

素因数の和:253

約数の個数: 32

約数和(自身を含む): 2592000

約数和(自身を除く): 1199595

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 149, 267, 445, 447, 623, 745, 1043, 1335, 1869, 2235, 3115, 3129, 5215, 9345, 13261, 15645, 39783, 66305, 92827, 198915, 278481, 464135, 1392405]

約数ペア:

[(1, 1392405), (3, 464135), (5, 278481), (7, 198915), (15, 92827), (21, 66305), (35, 39783), (89, 15645), (105, 13261), (149, 9345), (267, 5215), (445, 3129), (447, 3115), (623, 2235), (745, 1869), (1043, 1335)]