17928729

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7297}}^1$

素因数の和:7326

約数の個数: 32

約数和(自身を含む): 32695040

約数和(自身を除く): 14766311

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7297, 21891, 51079, 65673, 94861, 153237, 197019, 284583, 459711, 664027, 853749, 1379133, 1992081, 2561247, 5976243, 17928729]

約数ペア:

[(1, 17928729), (3, 5976243), (7, 2561247), (9, 1992081), (13, 1379133), (21, 853749), (27, 664027), (39, 459711), (63, 284583), (91, 197019), (117, 153237), (189, 94861), (273, 65673), (351, 51079), (819, 21891), (2457, 7297)]