1621251315

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{292909}}^1$

素因数の和:292964

約数の個数: 32

約数和(自身を含む): 2952532800

約数和(自身を除く): 1331281485

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 5535, 292909, 878727, 1464545, 2636181, 4393635, 7908543, 12009269, 13180905, 36027807, 39542715, 60046345, 108083421, 180139035, 324250263, 540417105, 1621251315]

約数ペア:

[(1, 1621251315), (3, 540417105), (5, 324250263), (9, 180139035), (15, 108083421), (27, 60046345), (41, 39542715), (45, 36027807), (123, 13180905), (135, 12009269), (205, 7908543), (369, 4393635), (615, 2636181), (1107, 1464545), (1845, 878727), (5535, 292909)]