287295987

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 436091040

約数和(自身を除く): 148795053

約数列:

[1, 3, 11, 33, 53, 109, 121, 137, 159, 327, 363, 411, 583, 1199, 1507, 1749, 3597, 4521, 5777, 6413, 7261, 13189, 14933, 16577, 17331, 19239, 21783, 39567, 44799, 49731, 63547, 79871, 164263, 190641, 239613, 492789, 699017, 791449, 878581, 1806893, 2097051, 2374347, 2635743, 5420679, 8705939, 26117817, 95765329, 287295987]

約数ペア:

[(1, 287295987), (3, 95765329), (11, 26117817), (33, 8705939), (53, 5420679), (109, 2635743), (121, 2374347), (137, 2097051), (159, 1806893), (327, 878581), (363, 791449), (411, 699017), (583, 492789), (1199, 239613), (1507, 190641), (1749, 164263), (3597, 79871), (4521, 63547), (5777, 49731), (6413, 44799), (7261, 39567), (13189, 21783), (14933, 19239), (16577, 17331)]