28485963

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 47005920

約数和(自身を除く): 18519957

約数列:

[1, 3, 9, 11, 33, 53, 61, 89, 99, 159, 183, 267, 477, 549, 583, 671, 801, 979, 1749, 2013, 2937, 3233, 4717, 5247, 5429, 6039, 8811, 9699, 14151, 16287, 29097, 35563, 42453, 48861, 51887, 59719, 106689, 155661, 179157, 287737, 320067, 466983, 537471, 863211, 2589633, 3165107, 9495321, 28485963]

約数ペア:

[(1, 28485963), (3, 9495321), (9, 3165107), (11, 2589633), (33, 863211), (53, 537471), (61, 466983), (89, 320067), (99, 287737), (159, 179157), (183, 155661), (267, 106689), (477, 59719), (549, 51887), (583, 48861), (671, 42453), (801, 35563), (979, 29097), (1749, 16287), (2013, 14151), (2937, 9699), (3233, 8811), (4717, 6039), (5247, 5429)]