28430829

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2846

約数の個数: 36

約数和(自身を含む): 49866336

約数和(自身を除く): 21435507

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 2803, 3381, 8409, 10143, 19621, 25227, 58863, 64469, 137347, 176589, 193407, 412041, 451283, 580221, 1236123, 1353849, 3158981, 4061547, 9476943, 28430829]

約数ペア:

[(1, 28430829), (3, 9476943), (7, 4061547), (9, 3158981), (21, 1353849), (23, 1236123), (49, 580221), (63, 451283), (69, 412041), (147, 193407), (161, 176589), (207, 137347), (441, 64469), (483, 58863), (1127, 25227), (1449, 19621), (2803, 10143), (3381, 8409)]