207855879

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 357212160

約数和(自身を除く): 149356281

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 101, 151, 177, 231, 303, 413, 453, 649, 707, 1057, 1111, 1239, 1661, 1947, 2121, 3171, 3333, 4543, 4983, 5959, 7777, 8909, 11627, 13629, 15251, 17877, 23331, 26727, 34881, 41713, 45753, 62363, 65549, 97999, 106757, 125139, 167761, 187089, 196647, 293997, 320271, 458843, 503283, 685993, 899809, 1174327, 1376529, 2057979, 2699427, 3522981, 6298663, 9897899, 18895989, 29693697, 69285293, 207855879]

約数ペア:

[(1, 207855879), (3, 69285293), (7, 29693697), (11, 18895989), (21, 9897899), (33, 6298663), (59, 3522981), (77, 2699427), (101, 2057979), (151, 1376529), (177, 1174327), (231, 899809), (303, 685993), (413, 503283), (453, 458843), (649, 320271), (707, 293997), (1057, 196647), (1111, 187089), (1239, 167761), (1661, 125139), (1947, 106757), (2121, 97999), (3171, 65549), (3333, 62363), (4543, 45753), (4983, 41713), (5959, 34881), (7777, 26727), (8909, 23331), (11627, 17877), (13629, 15251)]