27639927

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 23048073

約数列:

[1, 3, 7, 9, 19, 21, 27, 43, 57, 63, 129, 133, 171, 179, 189, 301, 387, 399, 513, 537, 817, 903, 1161, 1197, 1253, 1611, 2451, 2709, 3401, 3591, 3759, 4833, 5719, 7353, 7697, 8127, 10203, 11277, 17157, 22059, 23091, 23807, 30609, 33831, 51471, 53879, 69273, 71421, 91827, 146243, 154413, 161637, 207819, 214263, 438729, 484911, 642789, 1023701, 1316187, 1454733, 3071103, 3948561, 9213309, 27639927]

約数ペア:

[(1, 27639927), (3, 9213309), (7, 3948561), (9, 3071103), (19, 1454733), (21, 1316187), (27, 1023701), (43, 642789), (57, 484911), (63, 438729), (129, 214263), (133, 207819), (171, 161637), (179, 154413), (189, 146243), (301, 91827), (387, 71421), (399, 69273), (513, 53879), (537, 51471), (817, 33831), (903, 30609), (1161, 23807), (1197, 23091), (1253, 22059), (1611, 17157), (2451, 11277), (2709, 10203), (3401, 8127), (3591, 7697), (3759, 7353), (4833, 5719)]