16886025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 34122816

約数和(自身を除く): 17236791

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 251, 299, 325, 345, 575, 585, 753, 897, 975, 1035, 1255, 1495, 1725, 2259, 2691, 2925, 3263, 3765, 4485, 5175, 5773, 6275, 7475, 9789, 11295, 13455, 16315, 17319, 18825, 22425, 28865, 29367, 48945, 51957, 56475, 67275, 75049, 81575, 86595, 144325, 146835, 225147, 244725, 259785, 375245, 432975, 675441, 734175, 1125735, 1298925, 1876225, 3377205, 5628675, 16886025]

約数ペア:

[(1, 16886025), (3, 5628675), (5, 3377205), (9, 1876225), (13, 1298925), (15, 1125735), (23, 734175), (25, 675441), (39, 432975), (45, 375245), (65, 259785), (69, 244725), (75, 225147), (115, 146835), (117, 144325), (195, 86595), (207, 81575), (225, 75049), (251, 67275), (299, 56475), (325, 51957), (345, 48945), (575, 29367), (585, 28865), (753, 22425), (897, 18825), (975, 17319), (1035, 16315), (1255, 13455), (1495, 11295), (1725, 9789), (2259, 7475), (2691, 6275), (2925, 5773), (3263, 5175), (3765, 4485)]