18467325

素因数分解:

$3^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 34372800

約数和(自身を除く): 15905475

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 109, 135, 225, 251, 327, 545, 675, 753, 981, 1255, 1635, 2259, 2725, 2943, 3765, 4905, 6275, 6777, 8175, 11295, 14715, 18825, 24525, 27359, 33885, 56475, 73575, 82077, 136795, 169425, 246231, 410385, 683975, 738693, 1231155, 2051925, 3693465, 6155775, 18467325]

約数ペア:

[(1, 18467325), (3, 6155775), (5, 3693465), (9, 2051925), (15, 1231155), (25, 738693), (27, 683975), (45, 410385), (75, 246231), (109, 169425), (135, 136795), (225, 82077), (251, 73575), (327, 56475), (545, 33885), (675, 27359), (753, 24525), (981, 18825), (1255, 14715), (1635, 11295), (2259, 8175), (2725, 6777), (2943, 6275), (3765, 4905)]