28737345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 58222080

約数和(自身を除く): 29484735

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 37, 39, 65, 91, 105, 111, 185, 195, 259, 273, 455, 481, 555, 569, 777, 1295, 1365, 1443, 1707, 2405, 2845, 3367, 3885, 3983, 7215, 7397, 8535, 10101, 11949, 16835, 19915, 21053, 22191, 36985, 50505, 51779, 59745, 63159, 105265, 110955, 147371, 155337, 258895, 273689, 315795, 442113, 736855, 776685, 821067, 1368445, 1915823, 2210565, 4105335, 5747469, 9579115, 28737345]

約数ペア:

[(1, 28737345), (3, 9579115), (5, 5747469), (7, 4105335), (13, 2210565), (15, 1915823), (21, 1368445), (35, 821067), (37, 776685), (39, 736855), (65, 442113), (91, 315795), (105, 273689), (111, 258895), (185, 155337), (195, 147371), (259, 110955), (273, 105265), (455, 63159), (481, 59745), (555, 51779), (569, 50505), (777, 36985), (1295, 22191), (1365, 21053), (1443, 19915), (1707, 16835), (2405, 11949), (2845, 10101), (3367, 8535), (3885, 7397), (3983, 7215)]