129395721

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 229824000

約数和(自身を除く): 100428279

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 147, 221, 273, 343, 357, 569, 637, 663, 833, 1029, 1547, 1707, 1911, 2499, 3983, 4459, 4641, 5831, 7397, 9673, 10829, 11949, 13377, 17493, 22191, 27881, 29019, 32487, 51779, 67711, 75803, 83643, 125749, 155337, 195167, 203133, 227409, 362453, 377247, 473977, 585501, 880243, 1087359, 1421931, 2537171, 2640729, 3317839, 6161701, 7611513, 9953517, 18485103, 43131907, 129395721]

約数ペア:

[(1, 129395721), (3, 43131907), (7, 18485103), (13, 9953517), (17, 7611513), (21, 6161701), (39, 3317839), (49, 2640729), (51, 2537171), (91, 1421931), (119, 1087359), (147, 880243), (221, 585501), (273, 473977), (343, 377247), (357, 362453), (569, 227409), (637, 203133), (663, 195167), (833, 155337), (1029, 125749), (1547, 83643), (1707, 75803), (1911, 67711), (2499, 51779), (3983, 32487), (4459, 29019), (4641, 27881), (5831, 22191), (7397, 17493), (9673, 13377), (10829, 11949)]