27997515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 35869365

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 43, 45, 53, 63, 65, 91, 105, 117, 129, 135, 159, 189, 195, 215, 265, 273, 301, 315, 351, 371, 387, 455, 477, 559, 585, 645, 689, 795, 819, 903, 945, 1113, 1161, 1365, 1431, 1505, 1677, 1755, 1855, 1935, 2067, 2279, 2385, 2457, 2709, 2795, 3339, 3445, 3913, 4095, 4515, 4823, 5031, 5565, 5805, 6201, 6837, 7155, 8127, 8385, 10017, 10335, 11395, 11739, 12285, 13545, 14469, 15093, 15953, 16695, 18603, 19565, 20511, 24115, 25155, 29627, 31005, 34185, 35217, 40635, 43407, 47859, 50085, 58695, 61533, 72345, 75465, 79765, 88881, 93015, 102555, 105651, 130221, 143577, 148135, 176085, 207389, 217035, 239295, 266643, 307665, 430731, 444405, 528255, 622167, 651105, 717885, 799929, 1036945, 1333215, 1866501, 2153655, 3110835, 3999645, 5599503, 9332505, 27997515]

約数ペア:

[(1, 27997515), (3, 9332505), (5, 5599503), (7, 3999645), (9, 3110835), (13, 2153655), (15, 1866501), (21, 1333215), (27, 1036945), (35, 799929), (39, 717885), (43, 651105), (45, 622167), (53, 528255), (63, 444405), (65, 430731), (91, 307665), (105, 266643), (117, 239295), (129, 217035), (135, 207389), (159, 176085), (189, 148135), (195, 143577), (215, 130221), (265, 105651), (273, 102555), (301, 93015), (315, 88881), (351, 79765), (371, 75465), (387, 72345), (455, 61533), (477, 58695), (559, 50085), (585, 47859), (645, 43407), (689, 40635), (795, 35217), (819, 34185), (903, 31005), (945, 29627), (1113, 25155), (1161, 24115), (1365, 20511), (1431, 19565), (1505, 18603), (1677, 16695), (1755, 15953), (1855, 15093), (1935, 14469), (2067, 13545), (2279, 12285), (2385, 11739), (2457, 11395), (2709, 10335), (2795, 10017), (3339, 8385), (3445, 8127), (3913, 7155), (4095, 6837), (4515, 6201), (4823, 5805), (5031, 5565)]