81182925

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2797}}^1$

素因数の和:2859

約数の個数: 48

約数和(自身を含む): 152658880

約数和(自身を除く): 71475955

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 2797, 3225, 5805, 8391, 9675, 13985, 25173, 29025, 41955, 69925, 75519, 120271, 125865, 209775, 360813, 377595, 601355, 629325, 1082439, 1804065, 1887975, 3006775, 3247317, 5412195, 9020325, 16236585, 27060975, 81182925]

約数ペア:

[(1, 81182925), (3, 27060975), (5, 16236585), (9, 9020325), (15, 5412195), (25, 3247317), (27, 3006775), (43, 1887975), (45, 1804065), (75, 1082439), (129, 629325), (135, 601355), (215, 377595), (225, 360813), (387, 209775), (645, 125865), (675, 120271), (1075, 75519), (1161, 69925), (1935, 41955), (2797, 29025), (3225, 25173), (5805, 13985), (8391, 9675)]