1290555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 2718144

約数和(自身を除く): 1427589

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 241, 255, 315, 357, 595, 723, 765, 1071, 1205, 1687, 1785, 2169, 3615, 4097, 5061, 5355, 8435, 10845, 12291, 15183, 20485, 25305, 28679, 36873, 61455, 75915, 86037, 143395, 184365, 258111, 430185, 1290555]

約数ペア:

[(1, 1290555), (3, 430185), (5, 258111), (7, 184365), (9, 143395), (15, 86037), (17, 75915), (21, 61455), (35, 36873), (45, 28679), (51, 25305), (63, 20485), (85, 15183), (105, 12291), (119, 10845), (153, 8435), (241, 5355), (255, 5061), (315, 4097), (357, 3615), (595, 2169), (723, 1785), (765, 1687), (1071, 1205)]