81724083

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 141834240

約数和(自身を除く): 60110157

約数列:

[1, 3, 7, 17, 21, 23, 37, 51, 69, 111, 119, 161, 259, 269, 357, 391, 483, 629, 777, 807, 851, 1173, 1883, 1887, 2553, 2737, 4403, 4573, 5649, 5957, 6187, 8211, 9953, 13209, 13719, 14467, 17871, 18561, 29859, 32011, 43309, 43401, 69671, 96033, 101269, 105179, 129927, 169201, 209013, 228919, 303807, 315537, 507603, 686757, 736253, 1184407, 1602433, 2208759, 3553221, 3891623, 4807299, 11674869, 27241361, 81724083]

約数ペア:

[(1, 81724083), (3, 27241361), (7, 11674869), (17, 4807299), (21, 3891623), (23, 3553221), (37, 2208759), (51, 1602433), (69, 1184407), (111, 736253), (119, 686757), (161, 507603), (259, 315537), (269, 303807), (357, 228919), (391, 209013), (483, 169201), (629, 129927), (777, 105179), (807, 101269), (851, 96033), (1173, 69671), (1883, 43401), (1887, 43309), (2553, 32011), (2737, 29859), (4403, 18561), (4573, 17871), (5649, 14467), (5957, 13719), (6187, 13209), (8211, 9953)]