13027815

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 23868000

約数和(自身を除く): 10840185

約数列:

[1, 3, 5, 9, 15, 29, 45, 67, 87, 145, 149, 201, 261, 335, 435, 447, 603, 745, 1005, 1305, 1341, 1943, 2235, 3015, 4321, 5829, 6705, 9715, 9983, 12963, 17487, 21605, 29145, 29949, 38889, 49915, 64815, 87435, 89847, 149745, 194445, 289507, 449235, 868521, 1447535, 2605563, 4342605, 13027815]

約数ペア:

[(1, 13027815), (3, 4342605), (5, 2605563), (9, 1447535), (15, 868521), (29, 449235), (45, 289507), (67, 194445), (87, 149745), (145, 89847), (149, 87435), (201, 64815), (261, 49915), (335, 38889), (435, 29949), (447, 29145), (603, 21605), (745, 17487), (1005, 12963), (1305, 9983), (1341, 9715), (1943, 6705), (2235, 5829), (3015, 4321)]