15666506865

素因数分解:

$3^4\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{24623}}^1$

素因数の和:26211

約数の個数: 40

約数和(自身を含む): 28102681728

約数和(自身を除く): 12436174863

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1571, 4713, 7855, 14139, 23565, 24623, 42417, 70695, 73869, 123115, 127251, 212085, 221607, 369345, 636255, 664821, 1108035, 1994463, 3324105, 9972315, 38682733, 116048199, 193413665, 348144597, 580240995, 1044433791, 1740722985, 3133301373, 5222168955, 15666506865]

約数ペア:

[(1, 15666506865), (3, 5222168955), (5, 3133301373), (9, 1740722985), (15, 1044433791), (27, 580240995), (45, 348144597), (81, 193413665), (135, 116048199), (405, 38682733), (1571, 9972315), (4713, 3324105), (7855, 1994463), (14139, 1108035), (23565, 664821), (24623, 636255), (42417, 369345), (70695, 221607), (73869, 212085), (123115, 127251)]