218316645

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 390424320

約数和(自身を除く): 172107675

約数列:

[1, 3, 5, 9, 15, 45, 47, 109, 141, 235, 327, 423, 545, 705, 947, 981, 1635, 2115, 2841, 4735, 4905, 5123, 8523, 14205, 15369, 25615, 42615, 44509, 46107, 76845, 103223, 133527, 222545, 230535, 309669, 400581, 516115, 667635, 929007, 1548345, 2002905, 4645035, 4851481, 14554443, 24257405, 43663329, 72772215, 218316645]

約数ペア:

[(1, 218316645), (3, 72772215), (5, 43663329), (9, 24257405), (15, 14554443), (45, 4851481), (47, 4645035), (109, 2002905), (141, 1548345), (235, 929007), (327, 667635), (423, 516115), (545, 400581), (705, 309669), (947, 230535), (981, 222545), (1635, 133527), (2115, 103223), (2841, 76845), (4735, 46107), (4905, 44509), (5123, 42615), (8523, 25615), (14205, 15369)]