30840705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5153}}^1$

素因数の和:5190

約数の個数: 48

約数和(自身を含む): 64321920

約数和(自身を除く): 33481215

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 5153, 5985, 15459, 25765, 36071, 46377, 77295, 97907, 108213, 180355, 231885, 293721, 324639, 489535, 541065, 685349, 881163, 1468605, 1623195, 2056047, 3426745, 4405815, 6168141, 10280235, 30840705]

約数ペア:

[(1, 30840705), (3, 10280235), (5, 6168141), (7, 4405815), (9, 3426745), (15, 2056047), (19, 1623195), (21, 1468605), (35, 881163), (45, 685349), (57, 541065), (63, 489535), (95, 324639), (105, 293721), (133, 231885), (171, 180355), (285, 108213), (315, 97907), (399, 77295), (665, 46377), (855, 36071), (1197, 25765), (1995, 15459), (5153, 5985)]