2091222225

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:832

約数の個数: 96

約数和(自身を含む): 3973059200

約数和(自身を除く): 1881836975

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 109, 129, 135, 215, 225, 327, 387, 545, 645, 661, 675, 981, 1075, 1161, 1635, 1935, 1983, 2725, 2943, 3225, 3305, 4687, 4905, 5805, 5949, 8175, 9675, 9915, 14061, 14715, 16525, 17847, 23435, 24525, 28423, 29025, 29745, 42183, 49575, 70305, 72049, 73575, 85269, 89235, 117175, 126549, 142115, 148725, 210915, 216147, 255807, 351525, 360245, 426345, 446175, 632745, 648441, 710575, 767421, 1054575, 1080735, 1279035, 1801225, 1945323, 2131725, 3098107, 3163725, 3242205, 3837105, 5403675, 6395175, 9294321, 9726615, 15490535, 16211025, 19185525, 27882963, 46471605, 48633075, 77452675, 83648889, 139414815, 232358025, 418244445, 697074075, 2091222225]

約数ペア:

[(1, 2091222225), (3, 697074075), (5, 418244445), (9, 232358025), (15, 139414815), (25, 83648889), (27, 77452675), (43, 48633075), (45, 46471605), (75, 27882963), (109, 19185525), (129, 16211025), (135, 15490535), (215, 9726615), (225, 9294321), (327, 6395175), (387, 5403675), (545, 3837105), (645, 3242205), (661, 3163725), (675, 3098107), (981, 2131725), (1075, 1945323), (1161, 1801225), (1635, 1279035), (1935, 1080735), (1983, 1054575), (2725, 767421), (2943, 710575), (3225, 648441), (3305, 632745), (4687, 446175), (4905, 426345), (5805, 360245), (5949, 351525), (8175, 255807), (9675, 216147), (9915, 210915), (14061, 148725), (14715, 142115), (16525, 126549), (17847, 117175), (23435, 89235), (24525, 85269), (28423, 73575), (29025, 72049), (29745, 70305), (42183, 49575)]