27965625

素因数分解:

$3^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 49371840

約数和(自身を除く): 21406215

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 157, 285, 375, 471, 475, 625, 785, 1425, 1875, 2355, 2375, 2983, 3125, 3925, 7125, 8949, 9375, 11775, 11875, 14915, 19625, 35625, 44745, 58875, 59375, 74575, 98125, 178125, 223725, 294375, 372875, 490625, 1118625, 1471875, 1864375, 5593125, 9321875, 27965625]

約数ペア:

[(1, 27965625), (3, 9321875), (5, 5593125), (15, 1864375), (19, 1471875), (25, 1118625), (57, 490625), (75, 372875), (95, 294375), (125, 223725), (157, 178125), (285, 98125), (375, 74575), (471, 59375), (475, 58875), (625, 44745), (785, 35625), (1425, 19625), (1875, 14915), (2355, 11875), (2375, 11775), (2983, 9375), (3125, 8949), (3925, 7125)]