217384575

素因数分解:

$3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{14713}}^1$

素因数の和:14923

約数の個数: 24

約数和(自身を含む): 361258128

約数和(自身を除く): 143873553

約数列:

[1, 3, 5, 15, 25, 75, 197, 591, 985, 2955, 4925, 14713, 14775, 44139, 73565, 220695, 367825, 1103475, 2898461, 8695383, 14492305, 43476915, 72461525, 217384575]

約数ペア:

[(1, 217384575), (3, 72461525), (5, 43476915), (15, 14492305), (25, 8695383), (75, 2898461), (197, 1103475), (591, 367825), (985, 220695), (2955, 73565), (4925, 44139), (14713, 14775)]