27851915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 42166656

約数和(自身を除く): 14314741

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1435, 1493, 2665, 3731, 7465, 10451, 18655, 19409, 52255, 61213, 97045, 135863, 306065, 428491, 679315, 795769, 2142455, 3978845, 5570383, 27851915]

約数ペア:

[(1, 27851915), (5, 5570383), (7, 3978845), (13, 2142455), (35, 795769), (41, 679315), (65, 428491), (91, 306065), (205, 135863), (287, 97045), (455, 61213), (533, 52255), (1435, 19409), (1493, 18655), (2665, 10451), (3731, 7465)]