203413125

素因数分解:

$3^1\times 5^4\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:871

約数の個数: 40

約数和(自身を含む): 341565664

約数和(自身を除く): 138152539

約数列:

[1, 3, 5, 15, 25, 75, 125, 157, 375, 471, 625, 691, 785, 1875, 2073, 2355, 3455, 3925, 10365, 11775, 17275, 19625, 51825, 58875, 86375, 98125, 108487, 259125, 294375, 325461, 431875, 542435, 1295625, 1627305, 2712175, 8136525, 13560875, 40682625, 67804375, 203413125]

約数ペア:

[(1, 203413125), (3, 67804375), (5, 40682625), (15, 13560875), (25, 8136525), (75, 2712175), (125, 1627305), (157, 1295625), (375, 542435), (471, 431875), (625, 325461), (691, 294375), (785, 259125), (1875, 108487), (2073, 98125), (2355, 86375), (3455, 58875), (3925, 51825), (10365, 19625), (11775, 17275)]