2986815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 5570208

約数和(自身を除く): 2583393

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 53, 65, 85, 159, 195, 221, 255, 265, 289, 663, 689, 795, 867, 901, 1105, 1445, 2067, 2703, 3315, 3445, 3757, 4335, 4505, 10335, 11271, 11713, 13515, 15317, 18785, 35139, 45951, 56355, 58565, 76585, 175695, 199121, 229755, 597363, 995605, 2986815]

約数ペア:

[(1, 2986815), (3, 995605), (5, 597363), (13, 229755), (15, 199121), (17, 175695), (39, 76585), (51, 58565), (53, 56355), (65, 45951), (85, 35139), (159, 18785), (195, 15317), (221, 13515), (255, 11713), (265, 11271), (289, 10335), (663, 4505), (689, 4335), (795, 3757), (867, 3445), (901, 3315), (1105, 2703), (1445, 2067)]