208433889

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 338442624

約数和(自身を除く): 130008735

約数列:

[1, 3, 9, 17, 23, 51, 61, 69, 153, 183, 207, 391, 549, 971, 1037, 1173, 1403, 2913, 3111, 3519, 4209, 8739, 9333, 12627, 16507, 22333, 23851, 49521, 59231, 66999, 71553, 148563, 177693, 200997, 214659, 379661, 533079, 1006927, 1138983, 1362313, 3020781, 3416949, 4086939, 9062343, 12260817, 23159321, 69477963, 208433889]

約数ペア:

[(1, 208433889), (3, 69477963), (9, 23159321), (17, 12260817), (23, 9062343), (51, 4086939), (61, 3416949), (69, 3020781), (153, 1362313), (183, 1138983), (207, 1006927), (391, 533079), (549, 379661), (971, 214659), (1037, 200997), (1173, 177693), (1403, 148563), (2913, 71553), (3111, 66999), (3519, 59231), (4209, 49521), (8739, 23851), (9333, 22333), (12627, 16507)]