1320375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{503}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 2515968

約数和(自身を除く): 1195593

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 503, 525, 875, 1509, 2515, 2625, 3521, 7545, 10563, 12575, 17605, 37725, 52815, 62875, 88025, 188625, 264075, 440125, 1320375]

約数ペア:

[(1, 1320375), (3, 440125), (5, 264075), (7, 188625), (15, 88025), (21, 62875), (25, 52815), (35, 37725), (75, 17605), (105, 12575), (125, 10563), (175, 7545), (375, 3521), (503, 2625), (525, 2515), (875, 1509)]