28977585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 60715008

約数和(自身を除く): 31737423

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 35, 39, 65, 69, 71, 91, 105, 115, 161, 169, 195, 213, 273, 299, 345, 355, 455, 483, 497, 507, 805, 845, 897, 923, 1065, 1183, 1365, 1491, 1495, 1633, 2093, 2415, 2485, 2535, 2769, 3549, 3887, 4485, 4615, 4899, 5915, 6279, 6461, 7455, 8165, 10465, 11431, 11661, 11999, 13845, 17745, 19383, 19435, 21229, 24495, 27209, 31395, 32305, 34293, 35997, 57155, 58305, 59995, 63687, 81627, 83993, 96915, 106145, 136045, 148603, 171465, 179985, 251979, 275977, 318435, 408135, 419965, 445809, 743015, 827931, 1259895, 1379885, 1931839, 2229045, 4139655, 5795517, 9659195, 28977585]

約数ペア:

[(1, 28977585), (3, 9659195), (5, 5795517), (7, 4139655), (13, 2229045), (15, 1931839), (21, 1379885), (23, 1259895), (35, 827931), (39, 743015), (65, 445809), (69, 419965), (71, 408135), (91, 318435), (105, 275977), (115, 251979), (161, 179985), (169, 171465), (195, 148603), (213, 136045), (273, 106145), (299, 96915), (345, 83993), (355, 81627), (455, 63687), (483, 59995), (497, 58305), (507, 57155), (805, 35997), (845, 34293), (897, 32305), (923, 31395), (1065, 27209), (1183, 24495), (1365, 21229), (1491, 19435), (1495, 19383), (1633, 17745), (2093, 13845), (2415, 11999), (2485, 11661), (2535, 11431), (2769, 10465), (3549, 8165), (3887, 7455), (4485, 6461), (4615, 6279), (4899, 5915)]