215501175

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 417384000

約数和(自身を除く): 201882825

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 101, 109, 135, 145, 225, 261, 303, 327, 435, 505, 545, 675, 725, 783, 909, 981, 1305, 1515, 1635, 2175, 2525, 2725, 2727, 2929, 2943, 3161, 3915, 4545, 4905, 6525, 7575, 8175, 8787, 9483, 11009, 13635, 14645, 14715, 15805, 19575, 22725, 24525, 26361, 28449, 33027, 43935, 47415, 55045, 68175, 73225, 73575, 79025, 79083, 85347, 99081, 131805, 142245, 165135, 219675, 237075, 275225, 297243, 319261, 395415, 426735, 495405, 659025, 711225, 825675, 957783, 1486215, 1596305, 1977075, 2133675, 2477025, 2873349, 4788915, 7431075, 7981525, 8620047, 14366745, 23944575, 43100235, 71833725, 215501175]

約数ペア:

[(1, 215501175), (3, 71833725), (5, 43100235), (9, 23944575), (15, 14366745), (25, 8620047), (27, 7981525), (29, 7431075), (45, 4788915), (75, 2873349), (87, 2477025), (101, 2133675), (109, 1977075), (135, 1596305), (145, 1486215), (225, 957783), (261, 825675), (303, 711225), (327, 659025), (435, 495405), (505, 426735), (545, 395415), (675, 319261), (725, 297243), (783, 275225), (909, 237075), (981, 219675), (1305, 165135), (1515, 142245), (1635, 131805), (2175, 99081), (2525, 85347), (2725, 79083), (2727, 79025), (2929, 73575), (2943, 73225), (3161, 68175), (3915, 55045), (4545, 47415), (4905, 43935), (6525, 33027), (7575, 28449), (8175, 26361), (8787, 24525), (9483, 22725), (11009, 19575), (13635, 15805), (14645, 14715)]