31710105

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 65142792

約数和(自身を除く): 33432687

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 73, 105, 147, 197, 219, 245, 315, 365, 441, 511, 591, 657, 735, 985, 1095, 1379, 1533, 1773, 2205, 2555, 2955, 3285, 3577, 4137, 4599, 6895, 7665, 8865, 9653, 10731, 12411, 14381, 17885, 20685, 22995, 28959, 32193, 43143, 48265, 53655, 62055, 71905, 86877, 100667, 129429, 144795, 160965, 215715, 302001, 434385, 503335, 647145, 704669, 906003, 1510005, 2114007, 3523345, 4530015, 6342021, 10570035, 31710105]

約数ペア:

[(1, 31710105), (3, 10570035), (5, 6342021), (7, 4530015), (9, 3523345), (15, 2114007), (21, 1510005), (35, 906003), (45, 704669), (49, 647145), (63, 503335), (73, 434385), (105, 302001), (147, 215715), (197, 160965), (219, 144795), (245, 129429), (315, 100667), (365, 86877), (441, 71905), (511, 62055), (591, 53655), (657, 48265), (735, 43143), (985, 32193), (1095, 28959), (1379, 22995), (1533, 20685), (1773, 17885), (2205, 14381), (2555, 12411), (2955, 10731), (3285, 9653), (3577, 8865), (4137, 7665), (4599, 6895)]