30021761

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 32

約数和(自身を含む): 39072000

約数和(自身を除く): 9050239

約数列:

[1, 7, 11, 49, 73, 77, 109, 343, 511, 539, 763, 803, 1199, 3577, 3773, 5341, 5621, 7957, 8393, 25039, 37387, 39347, 55699, 58751, 87527, 275429, 389893, 411257, 612689, 2729251, 4288823, 30021761]

約数ペア:

[(1, 30021761), (7, 4288823), (11, 2729251), (49, 612689), (73, 411257), (77, 389893), (109, 275429), (343, 87527), (511, 58751), (539, 55699), (763, 39347), (803, 37387), (1199, 25039), (3577, 8393), (3773, 7957), (5341, 5621)]