214519995

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12919}}^1$

素因数の和:12977

約数の個数: 40

約数和(自身を含む): 393956640

約数和(自身を除く): 179436645

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 3321, 5535, 12919, 16605, 38757, 64595, 116271, 193785, 348813, 529679, 581355, 1046439, 1589037, 1744065, 2648395, 4767111, 5232195, 7945185, 14301333, 23835555, 42903999, 71506665, 214519995]

約数ペア:

[(1, 214519995), (3, 71506665), (5, 42903999), (9, 23835555), (15, 14301333), (27, 7945185), (41, 5232195), (45, 4767111), (81, 2648395), (123, 1744065), (135, 1589037), (205, 1046439), (369, 581355), (405, 529679), (615, 348813), (1107, 193785), (1845, 116271), (3321, 64595), (5535, 38757), (12919, 16605)]