86909985

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 158640768

約数和(自身を除く): 71730783

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 131, 207, 345, 393, 641, 655, 1035, 1179, 1923, 1965, 3013, 3205, 5769, 5895, 9039, 9615, 14743, 15065, 27117, 28845, 44229, 45195, 73715, 83971, 132687, 135585, 221145, 251913, 419855, 663435, 755739, 1259565, 1931333, 3778695, 5793999, 9656665, 17381997, 28969995, 86909985]

約数ペア:

[(1, 86909985), (3, 28969995), (5, 17381997), (9, 9656665), (15, 5793999), (23, 3778695), (45, 1931333), (69, 1259565), (115, 755739), (131, 663435), (207, 419855), (345, 251913), (393, 221145), (641, 135585), (655, 132687), (1035, 83971), (1179, 73715), (1923, 45195), (1965, 44229), (3013, 28845), (3205, 27117), (5769, 15065), (5895, 14743), (9039, 9615)]