64720593

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 117504000

約数和(自身を除く): 52783407

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 67, 133, 171, 189, 201, 269, 399, 469, 513, 603, 807, 1197, 1273, 1407, 1809, 1883, 2421, 3591, 3819, 4221, 5111, 5649, 7263, 8911, 11457, 12663, 15333, 16947, 18023, 26733, 34371, 35777, 45999, 50841, 54069, 80199, 107331, 126161, 137997, 162207, 240597, 321993, 342437, 378483, 486621, 965979, 1027311, 1135449, 2397059, 3081933, 3406347, 7191177, 9245799, 21573531, 64720593]

約数ペア:

[(1, 64720593), (3, 21573531), (7, 9245799), (9, 7191177), (19, 3406347), (21, 3081933), (27, 2397059), (57, 1135449), (63, 1027311), (67, 965979), (133, 486621), (171, 378483), (189, 342437), (201, 321993), (269, 240597), (399, 162207), (469, 137997), (513, 126161), (603, 107331), (807, 80199), (1197, 54069), (1273, 50841), (1407, 45999), (1809, 35777), (1883, 34371), (2421, 26733), (3591, 18023), (3819, 16947), (4221, 15333), (5111, 12663), (5649, 11457), (7263, 8911)]