28079793

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1614

約数の個数: 36

約数和(自身を含む): 48363588

約数和(自身を除く): 20283795

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 1553, 2009, 2583, 4659, 6027, 10871, 13977, 18081, 32613, 63673, 76097, 97839, 191019, 228291, 445711, 573057, 684873, 1337133, 3119977, 4011399, 9359931, 28079793]

約数ペア:

[(1, 28079793), (3, 9359931), (7, 4011399), (9, 3119977), (21, 1337133), (41, 684873), (49, 573057), (63, 445711), (123, 228291), (147, 191019), (287, 97839), (369, 76097), (441, 63673), (861, 32613), (1553, 18081), (2009, 13977), (2583, 10871), (4659, 6027)]