262724553

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^2$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 488849088

約数和(自身を除く): 226124535

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 109, 117, 189, 243, 273, 327, 351, 567, 763, 819, 981, 1053, 1417, 1701, 2289, 2457, 2943, 3159, 4251, 6867, 7371, 8829, 9919, 11881, 12753, 20601, 22113, 26487, 29757, 35643, 38259, 61803, 83167, 89271, 106929, 114777, 154453, 185409, 249501, 267813, 320787, 344331, 463359, 748503, 803439, 962361, 1081171, 1390077, 2245509, 2410317, 2887083, 3243513, 4170231, 6736527, 9730539, 12510693, 20209581, 29191617, 37532079, 87574851, 262724553]

約数ペア:

[(1, 262724553), (3, 87574851), (7, 37532079), (9, 29191617), (13, 20209581), (21, 12510693), (27, 9730539), (39, 6736527), (63, 4170231), (81, 3243513), (91, 2887083), (109, 2410317), (117, 2245509), (189, 1390077), (243, 1081171), (273, 962361), (327, 803439), (351, 748503), (567, 463359), (763, 344331), (819, 320787), (981, 267813), (1053, 249501), (1417, 185409), (1701, 154453), (2289, 114777), (2457, 106929), (2943, 89271), (3159, 83167), (4251, 61803), (6867, 38259), (7371, 35643), (8829, 29757), (9919, 26487), (11881, 22113), (12753, 20601)]