28173369

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1489}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 46344960

約数和(自身を除く): 18171591

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1113, 1489, 2703, 4467, 6307, 10423, 18921, 25313, 31269, 75939, 78917, 177191, 236751, 531573, 552419, 1341589, 1657257, 4024767, 9391123, 28173369]

約数ペア:

[(1, 28173369), (3, 9391123), (7, 4024767), (17, 1657257), (21, 1341589), (51, 552419), (53, 531573), (119, 236751), (159, 177191), (357, 78917), (371, 75939), (901, 31269), (1113, 25313), (1489, 18921), (2703, 10423), (4467, 6307)]