218346075

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 409609200

約数和(自身を除く): 191263125

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 109, 145, 225, 261, 307, 327, 435, 545, 725, 921, 981, 1305, 1535, 1635, 2175, 2725, 2763, 3161, 4605, 4905, 6525, 7675, 8175, 8903, 9483, 13815, 15805, 23025, 24525, 26709, 28449, 33463, 44515, 47415, 69075, 79025, 80127, 100389, 133545, 142245, 167315, 222575, 237075, 301167, 400635, 501945, 667725, 711225, 836575, 970427, 1505835, 2003175, 2509725, 2911281, 4852135, 7529175, 8733843, 14556405, 24260675, 43669215, 72782025, 218346075]

約数ペア:

[(1, 218346075), (3, 72782025), (5, 43669215), (9, 24260675), (15, 14556405), (25, 8733843), (29, 7529175), (45, 4852135), (75, 2911281), (87, 2509725), (109, 2003175), (145, 1505835), (225, 970427), (261, 836575), (307, 711225), (327, 667725), (435, 501945), (545, 400635), (725, 301167), (921, 237075), (981, 222575), (1305, 167315), (1535, 142245), (1635, 133545), (2175, 100389), (2725, 80127), (2763, 79025), (3161, 69075), (4605, 47415), (4905, 44515), (6525, 33463), (7675, 28449), (8175, 26709), (8903, 24525), (9483, 23025), (13815, 15805)]