15639678

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1089

約数の個数: 48

約数和(自身を含む): 36350496

約数和(自身を除く): 20710818

約数列:

[1, 2, 3, 6, 9, 18, 23, 37, 46, 69, 74, 111, 138, 207, 222, 333, 414, 666, 851, 1021, 1702, 2042, 2553, 3063, 5106, 6126, 7659, 9189, 15318, 18378, 23483, 37777, 46966, 70449, 75554, 113331, 140898, 211347, 226662, 339993, 422694, 679986, 868871, 1737742, 2606613, 5213226, 7819839, 15639678]

約数ペア:

[(1, 15639678), (2, 7819839), (3, 5213226), (6, 2606613), (9, 1737742), (18, 868871), (23, 679986), (37, 422694), (46, 339993), (69, 226662), (74, 211347), (111, 140898), (138, 113331), (207, 75554), (222, 70449), (333, 46966), (414, 37777), (666, 23483), (851, 18378), (1021, 15318), (1702, 9189), (2042, 7659), (2553, 6126), (3063, 5106)]