28536123

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 22557381

約数列:

[1, 3, 7, 11, 21, 23, 33, 41, 69, 77, 123, 131, 161, 231, 253, 287, 393, 451, 483, 759, 861, 917, 943, 1353, 1441, 1771, 2751, 2829, 3013, 3157, 4323, 5313, 5371, 6601, 9039, 9471, 10087, 10373, 16113, 19803, 21091, 30261, 31119, 33143, 37597, 59081, 63273, 72611, 99429, 112791, 123533, 177243, 217833, 232001, 370599, 413567, 696003, 864731, 1240701, 1358863, 2594193, 4076589, 9512041, 28536123]

約数ペア:

[(1, 28536123), (3, 9512041), (7, 4076589), (11, 2594193), (21, 1358863), (23, 1240701), (33, 864731), (41, 696003), (69, 413567), (77, 370599), (123, 232001), (131, 217833), (161, 177243), (231, 123533), (253, 112791), (287, 99429), (393, 72611), (451, 63273), (483, 59081), (759, 37597), (861, 33143), (917, 31119), (943, 30261), (1353, 21091), (1441, 19803), (1771, 16113), (2751, 10373), (2829, 10087), (3013, 9471), (3157, 9039), (4323, 6601), (5313, 5371)]