15686385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 30191616

約数和(自身を除く): 14505231

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 71, 103, 143, 165, 195, 213, 309, 355, 429, 515, 715, 781, 923, 1065, 1133, 1339, 1545, 2145, 2343, 2769, 3399, 3905, 4017, 4615, 5665, 6695, 7313, 10153, 11715, 13845, 14729, 16995, 20085, 21939, 30459, 36565, 44187, 50765, 73645, 80443, 95069, 109695, 152295, 220935, 241329, 285207, 402215, 475345, 1045759, 1206645, 1426035, 3137277, 5228795, 15686385]

約数ペア:

[(1, 15686385), (3, 5228795), (5, 3137277), (11, 1426035), (13, 1206645), (15, 1045759), (33, 475345), (39, 402215), (55, 285207), (65, 241329), (71, 220935), (103, 152295), (143, 109695), (165, 95069), (195, 80443), (213, 73645), (309, 50765), (355, 44187), (429, 36565), (515, 30459), (715, 21939), (781, 20085), (923, 16995), (1065, 14729), (1133, 13845), (1339, 11715), (1545, 10153), (2145, 7313), (2343, 6695), (2769, 5665), (3399, 4615), (3905, 4017)]