28227906

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1409}}^1$

素因数の和:1480

約数の個数: 64

約数和(自身を含む): 73094400

約数和(自身を除く): 44866494

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 126, 159, 189, 318, 371, 378, 477, 742, 954, 1113, 1409, 1431, 2226, 2818, 2862, 3339, 4227, 6678, 8454, 9863, 10017, 12681, 19726, 20034, 25362, 29589, 38043, 59178, 74677, 76086, 88767, 149354, 177534, 224031, 266301, 448062, 522739, 532602, 672093, 1045478, 1344186, 1568217, 2016279, 3136434, 4032558, 4704651, 9409302, 14113953, 28227906]

約数ペア:

[(1, 28227906), (2, 14113953), (3, 9409302), (6, 4704651), (7, 4032558), (9, 3136434), (14, 2016279), (18, 1568217), (21, 1344186), (27, 1045478), (42, 672093), (53, 532602), (54, 522739), (63, 448062), (106, 266301), (126, 224031), (159, 177534), (189, 149354), (318, 88767), (371, 76086), (378, 74677), (477, 59178), (742, 38043), (954, 29589), (1113, 25362), (1409, 20034), (1431, 19726), (2226, 12681), (2818, 10017), (2862, 9863), (3339, 8454), (4227, 6678)]