1215271295

素因数分解:

$5^1\times 7^3\times {\mathrm{631}}^1\times {\mathrm{1123}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 1704883200

約数和(自身を除く): 489611905

約数列:

[1, 5, 7, 35, 49, 245, 343, 631, 1123, 1715, 3155, 4417, 5615, 7861, 22085, 30919, 39305, 55027, 154595, 216433, 275135, 385189, 708613, 1082165, 1925945, 3543065, 4960291, 24801455, 34722037, 173610185, 243054259, 1215271295]

約数ペア:

[(1, 1215271295), (5, 243054259), (7, 173610185), (35, 34722037), (49, 24801455), (245, 4960291), (343, 3543065), (631, 1925945), (1123, 1082165), (1715, 708613), (3155, 385189), (4417, 275135), (5615, 216433), (7861, 154595), (22085, 55027), (30919, 39305)]