261000075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{613}}^1\times {\mathrm{811}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 494579456

約数和(自身を除く): 233579381

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 613, 811, 1839, 2433, 3065, 4055, 4291, 5677, 9195, 12165, 12873, 15325, 17031, 20275, 21455, 28385, 45975, 60825, 64365, 85155, 107275, 141925, 321825, 425775, 497143, 1491429, 2485715, 3480001, 7457145, 10440003, 12428575, 17400005, 37285725, 52200015, 87000025, 261000075]

約数ペア:

[(1, 261000075), (3, 87000025), (5, 52200015), (7, 37285725), (15, 17400005), (21, 12428575), (25, 10440003), (35, 7457145), (75, 3480001), (105, 2485715), (175, 1491429), (525, 497143), (613, 425775), (811, 321825), (1839, 141925), (2433, 107275), (3065, 85155), (4055, 64365), (4291, 60825), (5677, 45975), (9195, 28385), (12165, 21455), (12873, 20275), (15325, 17031)]