28528257

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 13462143

約数列:

[1, 3, 23, 29, 53, 69, 87, 159, 269, 667, 807, 1219, 1537, 2001, 3657, 4611, 6187, 7801, 14257, 18561, 23403, 35351, 42771, 106053, 179423, 327911, 413453, 538269, 983733, 1240359, 9509419, 28528257]

約数ペア:

[(1, 28528257), (3, 9509419), (23, 1240359), (29, 983733), (53, 538269), (69, 413453), (87, 327911), (159, 179423), (269, 106053), (667, 42771), (807, 35351), (1219, 23403), (1537, 18561), (2001, 14257), (3657, 7801), (4611, 6187)]