1390515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 64

約数和(自身を含む): 2903040

約数和(自身を除く): 1512525

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 41, 51, 57, 85, 95, 105, 119, 123, 133, 205, 255, 285, 287, 323, 357, 399, 595, 615, 665, 697, 779, 861, 969, 1435, 1615, 1785, 1995, 2091, 2261, 2337, 3485, 3895, 4305, 4845, 4879, 5453, 6783, 10455, 11305, 11685, 13243, 14637, 16359, 24395, 27265, 33915, 39729, 66215, 73185, 81795, 92701, 198645, 278103, 463505, 1390515]

約数ペア:

[(1, 1390515), (3, 463505), (5, 278103), (7, 198645), (15, 92701), (17, 81795), (19, 73185), (21, 66215), (35, 39729), (41, 33915), (51, 27265), (57, 24395), (85, 16359), (95, 14637), (105, 13243), (119, 11685), (123, 11305), (133, 10455), (205, 6783), (255, 5453), (285, 4879), (287, 4845), (323, 4305), (357, 3895), (399, 3485), (595, 2337), (615, 2261), (665, 2091), (697, 1995), (779, 1785), (861, 1615), (969, 1435)]