30780519

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{587}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 51480576

約数和(自身を除く): 20700057

約数列:

[1, 3, 7, 11, 21, 33, 77, 227, 231, 587, 681, 1589, 1761, 2497, 4109, 4767, 6457, 7491, 12327, 17479, 19371, 45199, 52437, 133249, 135597, 399747, 932743, 1465739, 2798229, 4397217, 10260173, 30780519]

約数ペア:

[(1, 30780519), (3, 10260173), (7, 4397217), (11, 2798229), (21, 1465739), (33, 932743), (77, 399747), (227, 135597), (231, 133249), (587, 52437), (681, 45199), (1589, 19371), (1761, 17479), (2497, 12327), (4109, 7491), (4767, 6457)]