31120353

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:127

約数の個数: 54

約数和(自身を含む): 53623206

約数和(自身を除く): 22502853

約数列:

[1, 3, 9, 11, 17, 33, 41, 51, 99, 121, 123, 153, 187, 363, 369, 451, 561, 697, 1089, 1353, 1681, 1683, 2057, 2091, 4059, 4961, 5043, 6171, 6273, 7667, 14883, 15129, 18491, 18513, 23001, 28577, 44649, 55473, 69003, 84337, 85731, 166419, 203401, 253011, 257193, 314347, 610203, 759033, 943041, 1830609, 2829123, 3457817, 10373451, 31120353]

約数ペア:

[(1, 31120353), (3, 10373451), (9, 3457817), (11, 2829123), (17, 1830609), (33, 943041), (41, 759033), (51, 610203), (99, 314347), (121, 257193), (123, 253011), (153, 203401), (187, 166419), (363, 85731), (369, 84337), (451, 69003), (561, 55473), (697, 44649), (1089, 28577), (1353, 23001), (1681, 18513), (1683, 18491), (2057, 15129), (2091, 14883), (4059, 7667), (4961, 6273), (5043, 6171)]