260269149

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{739}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 410705920

約数和(自身を除く): 150436771

約数列:

[1, 3, 7, 21, 31, 93, 217, 541, 651, 739, 1623, 2217, 3787, 5173, 11361, 15519, 16771, 22909, 50313, 68727, 117397, 160363, 352191, 399799, 481089, 1199397, 2798593, 8395779, 12393769, 37181307, 86756383, 260269149]

約数ペア:

[(1, 260269149), (3, 86756383), (7, 37181307), (21, 12393769), (31, 8395779), (93, 2798593), (217, 1199397), (541, 481089), (651, 399799), (739, 352191), (1623, 160363), (2217, 117397), (3787, 68727), (5173, 50313), (11361, 22909), (15519, 16771)]