12971091

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 21945600

約数和(自身を除く): 8974509

約数列:

[1, 3, 7, 19, 21, 29, 57, 59, 87, 133, 177, 203, 361, 399, 413, 551, 609, 1083, 1121, 1239, 1653, 1711, 2527, 3363, 3857, 5133, 7581, 7847, 10469, 11571, 11977, 21299, 23541, 31407, 32509, 35931, 63897, 73283, 97527, 149093, 219849, 227563, 447279, 617671, 682689, 1853013, 4323697, 12971091]

約数ペア:

[(1, 12971091), (3, 4323697), (7, 1853013), (19, 682689), (21, 617671), (29, 447279), (57, 227563), (59, 219849), (87, 149093), (133, 97527), (177, 73283), (203, 63897), (361, 35931), (399, 32509), (413, 31407), (551, 23541), (609, 21299), (1083, 11977), (1121, 11571), (1239, 10469), (1653, 7847), (1711, 7581), (2527, 5133), (3363, 3857)]