201221865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 389964120

約数和(自身を除く): 188742255

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 195, 261, 377, 409, 435, 585, 841, 1131, 1227, 1305, 1885, 2045, 2523, 3393, 3681, 4205, 5317, 5655, 6135, 7569, 10933, 11861, 12615, 15951, 16965, 18405, 26585, 32799, 35583, 37845, 47853, 54665, 59305, 79755, 98397, 106749, 154193, 163995, 177915, 239265, 343969, 462579, 491985, 533745, 770965, 1031907, 1387737, 1719845, 2312895, 3095721, 4471597, 5159535, 6938685, 13414791, 15478605, 22357985, 40244373, 67073955, 201221865]

約数ペア:

[(1, 201221865), (3, 67073955), (5, 40244373), (9, 22357985), (13, 15478605), (15, 13414791), (29, 6938685), (39, 5159535), (45, 4471597), (65, 3095721), (87, 2312895), (117, 1719845), (145, 1387737), (195, 1031907), (261, 770965), (377, 533745), (409, 491985), (435, 462579), (585, 343969), (841, 239265), (1131, 177915), (1227, 163995), (1305, 154193), (1885, 106749), (2045, 98397), (2523, 79755), (3393, 59305), (3681, 54665), (4205, 47853), (5317, 37845), (5655, 35583), (6135, 32799), (7569, 26585), (10933, 18405), (11861, 16965), (12615, 15951)]