1815771519

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{4723}}^1$

素因数の和:5252

約数の個数: 32

約数和(自身を含む): 2789049600

約数和(自身を除く): 973278081

約数列:

[1, 3, 9, 27, 29, 87, 261, 491, 783, 1473, 4419, 4723, 13257, 14169, 14239, 42507, 42717, 127521, 128151, 136967, 384453, 410901, 1232703, 2318993, 3698109, 6956979, 20870937, 62612811, 67250797, 201752391, 605257173, 1815771519]

約数ペア:

[(1, 1815771519), (3, 605257173), (9, 201752391), (27, 67250797), (29, 62612811), (87, 20870937), (261, 6956979), (491, 3698109), (783, 2318993), (1473, 1232703), (4419, 410901), (4723, 384453), (13257, 136967), (14169, 128151), (14239, 127521), (42507, 42717)]