288139257

素因数分解:

$3^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{4327}}^1$

素因数の和:4498

約数の個数: 36

約数和(自身を含む): 487471296

約数和(自身を除く): 199332039

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 151, 441, 453, 1057, 1359, 3171, 4327, 7399, 9513, 12981, 22197, 30289, 38943, 66591, 90867, 212023, 272601, 636069, 653377, 1908207, 1960131, 4573639, 5880393, 13720917, 32015473, 41162751, 96046419, 288139257]

約数ペア:

[(1, 288139257), (3, 96046419), (7, 41162751), (9, 32015473), (21, 13720917), (49, 5880393), (63, 4573639), (147, 1960131), (151, 1908207), (441, 653377), (453, 636069), (1057, 272601), (1359, 212023), (3171, 90867), (4327, 66591), (7399, 38943), (9513, 30289), (12981, 22197)]