219065391

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{521}}^1$

素因数の和:741

約数の個数: 40

約数和(自身を含む): 341074800

約数和(自身を除く): 122009409

約数列:

[1, 3, 9, 27, 29, 81, 87, 179, 261, 521, 537, 783, 1563, 1611, 2349, 4689, 4833, 5191, 14067, 14499, 15109, 15573, 42201, 45327, 46719, 93259, 135981, 140157, 279777, 407943, 420471, 839331, 1223829, 2517993, 2704511, 7553979, 8113533, 24340599, 73021797, 219065391]

約数ペア:

[(1, 219065391), (3, 73021797), (9, 24340599), (27, 8113533), (29, 7553979), (81, 2704511), (87, 2517993), (179, 1223829), (261, 839331), (521, 420471), (537, 407943), (783, 279777), (1563, 140157), (1611, 135981), (2349, 93259), (4689, 46719), (4833, 45327), (5191, 42201), (14067, 15573), (14499, 15109)]