208031895

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{971}}^1$

素因数の和:1034

約数の個数: 60

約数和(自身を含む): 390236616

約数和(自身を除く): 182204721

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 529, 621, 971, 1035, 1587, 1863, 2645, 2913, 3105, 4761, 4855, 7935, 8739, 9315, 14283, 14565, 22333, 23805, 26217, 42849, 43695, 66999, 71415, 78651, 111665, 131085, 200997, 214245, 334995, 393255, 513659, 602991, 1004985, 1540977, 1808973, 2568295, 3014955, 4622931, 7704885, 9044865, 13868793, 23114655, 41606379, 69343965, 208031895]

約数ペア:

[(1, 208031895), (3, 69343965), (5, 41606379), (9, 23114655), (15, 13868793), (23, 9044865), (27, 7704885), (45, 4622931), (69, 3014955), (81, 2568295), (115, 1808973), (135, 1540977), (207, 1004985), (345, 602991), (405, 513659), (529, 393255), (621, 334995), (971, 214245), (1035, 200997), (1587, 131085), (1863, 111665), (2645, 78651), (2913, 71415), (3105, 66999), (4761, 43695), (4855, 42849), (7935, 26217), (8739, 23805), (9315, 22333), (14283, 14565)]