2012121156825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{15997783}}^1$

素因数の和:15997855

約数の個数: 72

約数和(自身を含む): 3971417882432

約数和(自身を除く): 1959296725607

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 43, 45, 65, 75, 117, 129, 195, 215, 225, 325, 387, 559, 585, 645, 975, 1075, 1677, 1935, 2795, 2925, 3225, 5031, 8385, 9675, 13975, 25155, 41925, 125775, 15997783, 47993349, 79988915, 143980047, 207971179, 239966745, 399944575, 623913537, 687904669, 719900235, 1039855895, 1199833725, 1871740611, 2063714007, 3119567685, 3439523345, 3599501175, 5199279475, 6191142021, 8942760697, 9358703055, 10318570035, 15597838425, 17197616725, 26828282091, 30955710105, 44713803485, 46793515275, 51592850175, 80484846273, 134141410455, 154778550525, 223569017425, 402424231365, 670707052275, 2012121156825]

約数ペア:

[(1, 2012121156825), (3, 670707052275), (5, 402424231365), (9, 223569017425), (13, 154778550525), (15, 134141410455), (25, 80484846273), (39, 51592850175), (43, 46793515275), (45, 44713803485), (65, 30955710105), (75, 26828282091), (117, 17197616725), (129, 15597838425), (195, 10318570035), (215, 9358703055), (225, 8942760697), (325, 6191142021), (387, 5199279475), (559, 3599501175), (585, 3439523345), (645, 3119567685), (975, 2063714007), (1075, 1871740611), (1677, 1199833725), (1935, 1039855895), (2795, 719900235), (2925, 687904669), (3225, 623913537), (5031, 399944575), (8385, 239966745), (9675, 207971179), (13975, 143980047), (25155, 79988915), (41925, 47993349), (125775, 15997783)]