82919781

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 153331200

約数和(自身を除く): 70411419

約数列:

[1, 3, 7, 9, 19, 21, 27, 43, 57, 63, 81, 129, 133, 171, 179, 189, 301, 387, 399, 513, 537, 567, 817, 903, 1161, 1197, 1253, 1539, 1611, 2451, 2709, 3401, 3483, 3591, 3759, 4833, 5719, 7353, 7697, 8127, 10203, 10773, 11277, 14499, 17157, 22059, 23091, 23807, 24381, 30609, 33831, 51471, 53879, 66177, 69273, 71421, 91827, 101493, 146243, 154413, 161637, 207819, 214263, 275481, 438729, 463239, 484911, 623457, 642789, 1023701, 1316187, 1454733, 1928367, 3071103, 3948561, 4364199, 9213309, 11845683, 27639927, 82919781]

約数ペア:

[(1, 82919781), (3, 27639927), (7, 11845683), (9, 9213309), (19, 4364199), (21, 3948561), (27, 3071103), (43, 1928367), (57, 1454733), (63, 1316187), (81, 1023701), (129, 642789), (133, 623457), (171, 484911), (179, 463239), (189, 438729), (301, 275481), (387, 214263), (399, 207819), (513, 161637), (537, 154413), (567, 146243), (817, 101493), (903, 91827), (1161, 71421), (1197, 69273), (1253, 66177), (1539, 53879), (1611, 51471), (2451, 33831), (2709, 30609), (3401, 24381), (3483, 23807), (3591, 23091), (3759, 22059), (4833, 17157), (5719, 14499), (7353, 11277), (7697, 10773), (8127, 10203)]