17960481

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 34007040

約数和(自身を除く): 16046559

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 53, 63, 77, 99, 159, 163, 189, 231, 297, 371, 477, 489, 583, 693, 1113, 1141, 1431, 1467, 1749, 1793, 2079, 3339, 3423, 4081, 4401, 5247, 5379, 8639, 10017, 10269, 12243, 12551, 15741, 16137, 25917, 30807, 36729, 37653, 48411, 60473, 77751, 95029, 110187, 112959, 181419, 233253, 285087, 338877, 544257, 665203, 855261, 1632771, 1995609, 2565783, 5986827, 17960481]

約数ペア:

[(1, 17960481), (3, 5986827), (7, 2565783), (9, 1995609), (11, 1632771), (21, 855261), (27, 665203), (33, 544257), (53, 338877), (63, 285087), (77, 233253), (99, 181419), (159, 112959), (163, 110187), (189, 95029), (231, 77751), (297, 60473), (371, 48411), (477, 37653), (489, 36729), (583, 30807), (693, 25917), (1113, 16137), (1141, 15741), (1431, 12551), (1467, 12243), (1749, 10269), (1793, 10017), (2079, 8639), (3339, 5379), (3423, 5247), (4081, 4401)]