78556725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 153552672

約数和(自身を除く): 74995947

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 107, 117, 195, 225, 251, 321, 325, 535, 585, 753, 963, 975, 1255, 1391, 1605, 2259, 2675, 2925, 3263, 3765, 4173, 4815, 6275, 6955, 8025, 9789, 11295, 12519, 16315, 18825, 20865, 24075, 26857, 29367, 34775, 48945, 56475, 62595, 80571, 81575, 104325, 134285, 146835, 241713, 244725, 312975, 349141, 402855, 671425, 734175, 1047423, 1208565, 1745705, 2014275, 3142269, 5237115, 6042825, 8728525, 15711345, 26185575, 78556725]

約数ペア:

[(1, 78556725), (3, 26185575), (5, 15711345), (9, 8728525), (13, 6042825), (15, 5237115), (25, 3142269), (39, 2014275), (45, 1745705), (65, 1208565), (75, 1047423), (107, 734175), (117, 671425), (195, 402855), (225, 349141), (251, 312975), (321, 244725), (325, 241713), (535, 146835), (585, 134285), (753, 104325), (963, 81575), (975, 80571), (1255, 62595), (1391, 56475), (1605, 48945), (2259, 34775), (2675, 29367), (2925, 26857), (3263, 24075), (3765, 20865), (4173, 18825), (4815, 16315), (6275, 12519), (6955, 11295), (8025, 9789)]