28939827

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 16679373

約数列:

[1, 3, 7, 21, 47, 109, 141, 269, 327, 329, 763, 807, 987, 1883, 2289, 5123, 5649, 12643, 15369, 29321, 35861, 37929, 87963, 88501, 107583, 205247, 265503, 615741, 1378087, 4134261, 9646609, 28939827]

約数ペア:

[(1, 28939827), (3, 9646609), (7, 4134261), (21, 1378087), (47, 615741), (109, 265503), (141, 205247), (269, 107583), (327, 88501), (329, 87963), (763, 37929), (807, 35861), (987, 29321), (1883, 15369), (2289, 12643), (5123, 5649)]