15555351

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 24205440

約数和(自身を除く): 8650089

約数列:

[1, 3, 7, 21, 73, 139, 219, 417, 511, 973, 1533, 2919, 5329, 10147, 15987, 30441, 37303, 71029, 111909, 213087, 740731, 2222193, 5185117, 15555351]

約数ペア:

[(1, 15555351), (3, 5185117), (7, 2222193), (21, 740731), (73, 213087), (139, 111909), (219, 71029), (417, 37303), (511, 30441), (973, 15987), (1533, 10147), (2919, 5329)]