16554375

素因数分解:

$3^5\times 5^4\times {\mathrm{109}}^1$

素因数の和:144

約数の個数: 60

約数和(自身を含む): 31271240

約数和(自身を除く): 14716865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 109, 125, 135, 225, 243, 327, 375, 405, 545, 625, 675, 981, 1125, 1215, 1635, 1875, 2025, 2725, 2943, 3375, 4905, 5625, 6075, 8175, 8829, 10125, 13625, 14715, 16875, 24525, 26487, 30375, 40875, 44145, 50625, 68125, 73575, 122625, 132435, 151875, 204375, 220725, 367875, 613125, 662175, 1103625, 1839375, 3310875, 5518125, 16554375]

約数ペア:

[(1, 16554375), (3, 5518125), (5, 3310875), (9, 1839375), (15, 1103625), (25, 662175), (27, 613125), (45, 367875), (75, 220725), (81, 204375), (109, 151875), (125, 132435), (135, 122625), (225, 73575), (243, 68125), (327, 50625), (375, 44145), (405, 40875), (545, 30375), (625, 26487), (675, 24525), (981, 16875), (1125, 14715), (1215, 13625), (1635, 10125), (1875, 8829), (2025, 8175), (2725, 6075), (2943, 5625), (3375, 4905)]