205855425

素因数分解:

$3^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1723}}^1$

素因数の和:1804

約数の個数: 60

約数和(自身を含む): 388003440

約数和(自身を除く): 182148015

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 81, 135, 177, 225, 295, 405, 531, 675, 885, 1475, 1593, 1723, 2025, 2655, 4425, 4779, 5169, 7965, 8615, 13275, 15507, 23895, 25845, 39825, 43075, 46521, 77535, 101657, 119475, 129225, 139563, 232605, 304971, 387675, 508285, 697815, 914913, 1163025, 1524855, 2541425, 2744739, 3489075, 4574565, 7624275, 8234217, 13723695, 22872825, 41171085, 68618475, 205855425]

約数ペア:

[(1, 205855425), (3, 68618475), (5, 41171085), (9, 22872825), (15, 13723695), (25, 8234217), (27, 7624275), (45, 4574565), (59, 3489075), (75, 2744739), (81, 2541425), (135, 1524855), (177, 1163025), (225, 914913), (295, 697815), (405, 508285), (531, 387675), (675, 304971), (885, 232605), (1475, 139563), (1593, 129225), (1723, 119475), (2025, 101657), (2655, 77535), (4425, 46521), (4779, 43075), (5169, 39825), (7965, 25845), (8615, 23895), (13275, 15507)]