16964025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 30664704

約数和(自身を除く): 13700679

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 127, 137, 195, 325, 381, 411, 635, 685, 975, 1651, 1781, 1905, 2055, 3175, 3425, 4953, 5343, 8255, 8905, 9525, 10275, 17399, 24765, 26715, 41275, 44525, 52197, 86995, 123825, 133575, 226187, 260985, 434975, 678561, 1130935, 1304925, 3392805, 5654675, 16964025]

約数ペア:

[(1, 16964025), (3, 5654675), (5, 3392805), (13, 1304925), (15, 1130935), (25, 678561), (39, 434975), (65, 260985), (75, 226187), (127, 133575), (137, 123825), (195, 86995), (325, 52197), (381, 44525), (411, 41275), (635, 26715), (685, 24765), (975, 17399), (1651, 10275), (1781, 9525), (1905, 8905), (2055, 8255), (3175, 5343), (3425, 4953)]