2168985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 4366656

約数和(自身を除く): 2197671

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 227, 245, 273, 455, 637, 681, 735, 1135, 1365, 1589, 1911, 2951, 3185, 3405, 4767, 7945, 8853, 9555, 11123, 14755, 20657, 23835, 33369, 44265, 55615, 61971, 103285, 144599, 166845, 309855, 433797, 722995, 2168985]

約数ペア:

[(1, 2168985), (3, 722995), (5, 433797), (7, 309855), (13, 166845), (15, 144599), (21, 103285), (35, 61971), (39, 55615), (49, 44265), (65, 33369), (91, 23835), (105, 20657), (147, 14755), (195, 11123), (227, 9555), (245, 8853), (273, 7945), (455, 4767), (637, 3405), (681, 3185), (735, 2951), (1135, 1911), (1365, 1589)]