38993325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 78572352

約数和(自身を除く): 39579027

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 257, 289, 357, 425, 525, 595, 771, 867, 1275, 1285, 1445, 1785, 1799, 2023, 2975, 3855, 4335, 4369, 5397, 6069, 6425, 7225, 8925, 8995, 10115, 13107, 19275, 21675, 21845, 26985, 30345, 30583, 44975, 50575, 65535, 74273, 91749, 109225, 134925, 151725, 152915, 222819, 327675, 371365, 458745, 519911, 764575, 1114095, 1559733, 1856825, 2293725, 2599555, 5570475, 7798665, 12997775, 38993325]

約数ペア:

[(1, 38993325), (3, 12997775), (5, 7798665), (7, 5570475), (15, 2599555), (17, 2293725), (21, 1856825), (25, 1559733), (35, 1114095), (51, 764575), (75, 519911), (85, 458745), (105, 371365), (119, 327675), (175, 222819), (255, 152915), (257, 151725), (289, 134925), (357, 109225), (425, 91749), (525, 74273), (595, 65535), (771, 50575), (867, 44975), (1275, 30583), (1285, 30345), (1445, 26985), (1785, 21845), (1799, 21675), (2023, 19275), (2975, 13107), (3855, 10115), (4335, 8995), (4369, 8925), (5397, 7225), (6069, 6425)]