217464195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{48487}}^1$

素因数の和:48531

約数の個数: 32

約数和(自身を含む): 391007232

約数和(自身を除く): 173543037

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 48487, 145461, 242435, 630331, 727305, 1115201, 1890993, 3151655, 3345603, 5576005, 9454965, 14497613, 16728015, 43492839, 72488065, 217464195]

約数ペア:

[(1, 217464195), (3, 72488065), (5, 43492839), (13, 16728015), (15, 14497613), (23, 9454965), (39, 5576005), (65, 3345603), (69, 3151655), (115, 1890993), (195, 1115201), (299, 727305), (345, 630331), (897, 242435), (1495, 145461), (4485, 48487)]