28408275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1061}}^1$

素因数の和:1101

約数の個数: 72

約数和(自身を含む): 61629984

約数和(自身を除く): 33221709

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 85, 105, 119, 153, 175, 225, 255, 315, 357, 425, 525, 595, 765, 1061, 1071, 1275, 1575, 1785, 2975, 3183, 3825, 5305, 5355, 7427, 8925, 9549, 15915, 18037, 22281, 26525, 26775, 37135, 47745, 54111, 66843, 79575, 90185, 111405, 126259, 162333, 185675, 238725, 270555, 334215, 378777, 450925, 557025, 631295, 811665, 1136331, 1352775, 1671075, 1893885, 3156475, 4058325, 5681655, 9469425, 28408275]

約数ペア:

[(1, 28408275), (3, 9469425), (5, 5681655), (7, 4058325), (9, 3156475), (15, 1893885), (17, 1671075), (21, 1352775), (25, 1136331), (35, 811665), (45, 631295), (51, 557025), (63, 450925), (75, 378777), (85, 334215), (105, 270555), (119, 238725), (153, 185675), (175, 162333), (225, 126259), (255, 111405), (315, 90185), (357, 79575), (425, 66843), (525, 54111), (595, 47745), (765, 37135), (1061, 26775), (1071, 26525), (1275, 22281), (1575, 18037), (1785, 15915), (2975, 9549), (3183, 8925), (3825, 7427), (5305, 5355)]