249407145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 478140936

約数和(自身を除く): 228733791

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 193, 195, 235, 423, 579, 585, 611, 705, 965, 1737, 1833, 2115, 2209, 2509, 2895, 3055, 5499, 6627, 7527, 8685, 9071, 9165, 11045, 12545, 19881, 22581, 27213, 27495, 28717, 33135, 37635, 45355, 81639, 86151, 99405, 112905, 117923, 136065, 143585, 258453, 353769, 408195, 426337, 430755, 589615, 1061307, 1279011, 1292265, 1768845, 2131685, 3837033, 5306535, 5542381, 6395055, 16627143, 19185165, 27711905, 49881429, 83135715, 249407145]

約数ペア:

[(1, 249407145), (3, 83135715), (5, 49881429), (9, 27711905), (13, 19185165), (15, 16627143), (39, 6395055), (45, 5542381), (47, 5306535), (65, 3837033), (117, 2131685), (141, 1768845), (193, 1292265), (195, 1279011), (235, 1061307), (423, 589615), (579, 430755), (585, 426337), (611, 408195), (705, 353769), (965, 258453), (1737, 143585), (1833, 136065), (2115, 117923), (2209, 112905), (2509, 99405), (2895, 86151), (3055, 81639), (5499, 45355), (6627, 37635), (7527, 33135), (8685, 28717), (9071, 27495), (9165, 27213), (11045, 22581), (12545, 19881)]