67955715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 125607456

約数和(自身を除く): 57651741

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 211, 255, 421, 633, 765, 1055, 1263, 1899, 2105, 3165, 3587, 3789, 6315, 7157, 9495, 10761, 17935, 18945, 21471, 32283, 35785, 53805, 64413, 88831, 107355, 161415, 266493, 322065, 444155, 799479, 1332465, 1510127, 3997395, 4530381, 7550635, 13591143, 22651905, 67955715]

約数ペア:

[(1, 67955715), (3, 22651905), (5, 13591143), (9, 7550635), (15, 4530381), (17, 3997395), (45, 1510127), (51, 1332465), (85, 799479), (153, 444155), (211, 322065), (255, 266493), (421, 161415), (633, 107355), (765, 88831), (1055, 64413), (1263, 53805), (1899, 35785), (2105, 32283), (3165, 21471), (3587, 18945), (3789, 17935), (6315, 10761), (7157, 9495)]