207921125

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 268849152

約数和(自身を除く): 60928027

約数列:

[1, 5, 25, 43, 101, 125, 215, 383, 505, 1075, 1915, 2525, 4343, 5375, 9575, 12625, 16469, 21715, 38683, 47875, 82345, 108575, 193415, 411725, 542875, 967075, 1663369, 2058625, 4835375, 8316845, 41584225, 207921125]

約数ペア:

[(1, 207921125), (5, 41584225), (25, 8316845), (43, 4835375), (101, 2058625), (125, 1663369), (215, 967075), (383, 542875), (505, 411725), (1075, 193415), (1915, 108575), (2525, 82345), (4343, 47875), (5375, 38683), (9575, 21715), (12625, 16469)]