2017442781

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{12979}}^1$

素因数の和:13111

約数の個数: 40

約数和(自身を含む): 3203983200

約数和(自身を除く): 1186540419

約数列:

[1, 3, 9, 19, 27, 57, 81, 101, 171, 303, 513, 909, 1539, 1919, 2727, 5757, 8181, 12979, 17271, 38937, 51813, 116811, 155439, 246601, 350433, 739803, 1051299, 1310879, 2219409, 3932637, 6658227, 11797911, 19974681, 24906701, 35393733, 74720103, 106181199, 224160309, 672480927, 2017442781]

約数ペア:

[(1, 2017442781), (3, 672480927), (9, 224160309), (19, 106181199), (27, 74720103), (57, 35393733), (81, 24906701), (101, 19974681), (171, 11797911), (303, 6658227), (513, 3932637), (909, 2219409), (1539, 1310879), (1919, 1051299), (2727, 739803), (5757, 350433), (8181, 246601), (12979, 155439), (17271, 116811), (38937, 51813)]