28621047

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 50676192

約数和(自身を除く): 22055145

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 147, 221, 273, 357, 637, 663, 833, 881, 1547, 1911, 2499, 2643, 4641, 6167, 10829, 11453, 14977, 18501, 32487, 34359, 43169, 44931, 80171, 104839, 129507, 194701, 240513, 314517, 561197, 584103, 733873, 1362907, 1683591, 2201619, 4088721, 9540349, 28621047]

約数ペア:

[(1, 28621047), (3, 9540349), (7, 4088721), (13, 2201619), (17, 1683591), (21, 1362907), (39, 733873), (49, 584103), (51, 561197), (91, 314517), (119, 240513), (147, 194701), (221, 129507), (273, 104839), (357, 80171), (637, 44931), (663, 43169), (833, 34359), (881, 32487), (1547, 18501), (1911, 14977), (2499, 11453), (2643, 10829), (4641, 6167)]