397375671

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2447}}^1$

素因数の和:2524

約数の個数: 64

約数和(自身を含む): 714424320

約数和(自身を除く): 317048649

約数列:

[1, 3, 7, 11, 19, 21, 33, 37, 57, 77, 111, 133, 209, 231, 259, 399, 407, 627, 703, 777, 1221, 1463, 2109, 2447, 2849, 4389, 4921, 7341, 7733, 8547, 14763, 17129, 23199, 26917, 46493, 51387, 54131, 80751, 90539, 139479, 162393, 188419, 271617, 325451, 511423, 565257, 633773, 976353, 995929, 1534269, 1720241, 1901319, 2987787, 3579961, 5160723, 6971503, 10739883, 12041687, 18922651, 20914509, 36125061, 56767953, 132458557, 397375671]

約数ペア:

[(1, 397375671), (3, 132458557), (7, 56767953), (11, 36125061), (19, 20914509), (21, 18922651), (33, 12041687), (37, 10739883), (57, 6971503), (77, 5160723), (111, 3579961), (133, 2987787), (209, 1901319), (231, 1720241), (259, 1534269), (399, 995929), (407, 976353), (627, 633773), (703, 565257), (777, 511423), (1221, 325451), (1463, 271617), (2109, 188419), (2447, 162393), (2849, 139479), (4389, 90539), (4921, 80751), (7341, 54131), (7733, 51387), (8547, 46493), (14763, 26917), (17129, 23199)]