55389825

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1648

約数の個数: 60

約数和(自身を含む): 108703980

約数和(自身を除く): 53314155

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 405, 425, 459, 675, 765, 1275, 1377, 1609, 2025, 2295, 3825, 4827, 6885, 8045, 11475, 14481, 24135, 27353, 34425, 40225, 43443, 72405, 82059, 120675, 130329, 136765, 217215, 246177, 362025, 410295, 651645, 683825, 738531, 1086075, 1230885, 2051475, 2215593, 3258225, 3692655, 6154425, 11077965, 18463275, 55389825]

約数ペア:

[(1, 55389825), (3, 18463275), (5, 11077965), (9, 6154425), (15, 3692655), (17, 3258225), (25, 2215593), (27, 2051475), (45, 1230885), (51, 1086075), (75, 738531), (81, 683825), (85, 651645), (135, 410295), (153, 362025), (225, 246177), (255, 217215), (405, 136765), (425, 130329), (459, 120675), (675, 82059), (765, 72405), (1275, 43443), (1377, 40225), (1609, 34425), (2025, 27353), (2295, 24135), (3825, 14481), (4827, 11475), (6885, 8045)]