256911075

素因数分解:

$3^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{6451}}^1$

素因数の和:6529

約数の個数: 48

約数和(自身を含む): 480028800

約数和(自身を除く): 223117725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 135, 177, 225, 295, 531, 675, 885, 1475, 1593, 2655, 4425, 6451, 7965, 13275, 19353, 32255, 39825, 58059, 96765, 161275, 174177, 290295, 380609, 483825, 870885, 1141827, 1451475, 1903045, 3425481, 4354425, 5709135, 9515225, 10276443, 17127405, 28545675, 51382215, 85637025, 256911075]

約数ペア:

[(1, 256911075), (3, 85637025), (5, 51382215), (9, 28545675), (15, 17127405), (25, 10276443), (27, 9515225), (45, 5709135), (59, 4354425), (75, 3425481), (135, 1903045), (177, 1451475), (225, 1141827), (295, 870885), (531, 483825), (675, 380609), (885, 290295), (1475, 174177), (1593, 161275), (2655, 96765), (4425, 58059), (6451, 39825), (7965, 32255), (13275, 19353)]