12218325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 25123392

約数和(自身を除く): 12905067

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 37, 51, 75, 85, 105, 111, 119, 175, 185, 255, 259, 357, 425, 525, 555, 595, 629, 777, 925, 1275, 1295, 1369, 1785, 1887, 2775, 2975, 3145, 3885, 4107, 4403, 6475, 6845, 8925, 9435, 9583, 13209, 15725, 19425, 20535, 22015, 23273, 28749, 34225, 47175, 47915, 66045, 69819, 102675, 110075, 116365, 143745, 162911, 239575, 330225, 349095, 488733, 581825, 718725, 814555, 1745475, 2443665, 4072775, 12218325]

約数ペア:

[(1, 12218325), (3, 4072775), (5, 2443665), (7, 1745475), (15, 814555), (17, 718725), (21, 581825), (25, 488733), (35, 349095), (37, 330225), (51, 239575), (75, 162911), (85, 143745), (105, 116365), (111, 110075), (119, 102675), (175, 69819), (185, 66045), (255, 47915), (259, 47175), (357, 34225), (425, 28749), (525, 23273), (555, 22015), (595, 20535), (629, 19425), (777, 15725), (925, 13209), (1275, 9583), (1295, 9435), (1369, 8925), (1785, 6845), (1887, 6475), (2775, 4403), (2975, 4107), (3145, 3885)]