29121729

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 48939072

約数和(自身を除く): 19817343

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 311, 343, 637, 933, 1029, 1911, 2177, 2401, 4043, 4459, 6531, 7203, 12129, 13377, 15239, 28301, 31213, 45717, 84903, 93639, 106673, 198107, 320019, 594321, 746711, 1386749, 2240133, 4160247, 9707243, 29121729]

約数ペア:

[(1, 29121729), (3, 9707243), (7, 4160247), (13, 2240133), (21, 1386749), (39, 746711), (49, 594321), (91, 320019), (147, 198107), (273, 106673), (311, 93639), (343, 84903), (637, 45717), (933, 31213), (1029, 28301), (1911, 15239), (2177, 13377), (2401, 12129), (4043, 7203), (4459, 6531)]