12215385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 27605760

約数和(自身を除く): 15390375

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 35, 39, 45, 57, 63, 65, 91, 95, 105, 117, 133, 157, 171, 195, 247, 273, 285, 315, 399, 455, 471, 585, 665, 741, 785, 819, 855, 1099, 1197, 1235, 1365, 1413, 1729, 1995, 2041, 2223, 2355, 2983, 3297, 3705, 4095, 5187, 5495, 5985, 6123, 7065, 8645, 8949, 9891, 10205, 11115, 14287, 14915, 15561, 16485, 18369, 20881, 25935, 26847, 30615, 38779, 42861, 44745, 49455, 62643, 71435, 77805, 91845, 104405, 116337, 128583, 134235, 187929, 193895, 214305, 271453, 313215, 349011, 581685, 642915, 814359, 939645, 1357265, 1745055, 2443077, 4071795, 12215385]

約数ペア:

[(1, 12215385), (3, 4071795), (5, 2443077), (7, 1745055), (9, 1357265), (13, 939645), (15, 814359), (19, 642915), (21, 581685), (35, 349011), (39, 313215), (45, 271453), (57, 214305), (63, 193895), (65, 187929), (91, 134235), (95, 128583), (105, 116337), (117, 104405), (133, 91845), (157, 77805), (171, 71435), (195, 62643), (247, 49455), (273, 44745), (285, 42861), (315, 38779), (399, 30615), (455, 26847), (471, 25935), (585, 20881), (665, 18369), (741, 16485), (785, 15561), (819, 14915), (855, 14287), (1099, 11115), (1197, 10205), (1235, 9891), (1365, 8949), (1413, 8645), (1729, 7065), (1995, 6123), (2041, 5985), (2223, 5495), (2355, 5187), (2983, 4095), (3297, 3705)]