18535155

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 30855168

約数和(自身を除く): 12320013

約数列:

[1, 3, 5, 15, 47, 61, 141, 183, 235, 305, 431, 705, 915, 1293, 2155, 2867, 6465, 8601, 14335, 20257, 26291, 43005, 60771, 78873, 101285, 131455, 303855, 394365, 1235677, 3707031, 6178385, 18535155]

約数ペア:

[(1, 18535155), (3, 6178385), (5, 3707031), (15, 1235677), (47, 394365), (61, 303855), (141, 131455), (183, 101285), (235, 78873), (305, 60771), (431, 43005), (705, 26291), (915, 20257), (1293, 14335), (2155, 8601), (2867, 6465)]