261001425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{204707}}^1$

素因数の和:204737

約数の個数: 24

約数和(自身を含む): 456908256

約数和(自身を除く): 195906831

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 204707, 614121, 1023535, 3070605, 3480019, 5117675, 10440057, 15353025, 17400095, 52200285, 87000475, 261001425]

約数ペア:

[(1, 261001425), (3, 87000475), (5, 52200285), (15, 17400095), (17, 15353025), (25, 10440057), (51, 5117675), (75, 3480019), (85, 3070605), (255, 1023535), (425, 614121), (1275, 204707)]