81594585

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 145926144

約数和(自身を除く): 64331559

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 173, 223, 235, 423, 519, 669, 705, 865, 1115, 1557, 2007, 2115, 2595, 3345, 7785, 8131, 10035, 10481, 24393, 31443, 38579, 40655, 52405, 73179, 94329, 115737, 121965, 157215, 192895, 347211, 365895, 471645, 578685, 1736055, 1813213, 5439639, 9066065, 16318917, 27198195, 81594585]

約数ペア:

[(1, 81594585), (3, 27198195), (5, 16318917), (9, 9066065), (15, 5439639), (45, 1813213), (47, 1736055), (141, 578685), (173, 471645), (223, 365895), (235, 347211), (423, 192895), (519, 157215), (669, 121965), (705, 115737), (865, 94329), (1115, 73179), (1557, 52405), (2007, 40655), (2115, 38579), (2595, 31443), (3345, 24393), (7785, 10481), (8131, 10035)]