85871565

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 161244720

約数和(自身を除く): 75373155

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 229, 585, 641, 687, 1145, 1923, 2061, 2977, 3205, 3435, 5769, 8333, 8931, 9615, 10305, 14885, 24999, 26793, 28845, 41665, 44655, 74997, 124995, 133965, 146789, 374985, 440367, 733945, 1321101, 1908257, 2201835, 5724771, 6605505, 9541285, 17174313, 28623855, 85871565]

約数ペア:

[(1, 85871565), (3, 28623855), (5, 17174313), (9, 9541285), (13, 6605505), (15, 5724771), (39, 2201835), (45, 1908257), (65, 1321101), (117, 733945), (195, 440367), (229, 374985), (585, 146789), (641, 133965), (687, 124995), (1145, 74997), (1923, 44655), (2061, 41665), (2977, 28845), (3205, 26793), (3435, 24999), (5769, 14885), (8333, 10305), (8931, 9615)]