678831105

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{6133}}^1$

素因数の和:6345

約数の個数: 32

約数和(自身を含む): 1116486144

約数和(自身を除く): 437655039

約数列:

[1, 3, 5, 15, 47, 141, 157, 235, 471, 705, 785, 2355, 6133, 7379, 18399, 22137, 30665, 36895, 91995, 110685, 288251, 864753, 962881, 1441255, 2888643, 4323765, 4814405, 14443215, 45255407, 135766221, 226277035, 678831105]

約数ペア:

[(1, 678831105), (3, 226277035), (5, 135766221), (15, 45255407), (47, 14443215), (141, 4814405), (157, 4323765), (235, 2888643), (471, 1441255), (705, 962881), (785, 864753), (2355, 288251), (6133, 110685), (7379, 91995), (18399, 36895), (22137, 30665)]