203445885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 351188352

約数和(自身を除く): 147742467

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 289, 355, 661, 867, 1065, 1207, 1445, 1983, 3305, 3621, 4335, 6035, 9915, 11237, 18105, 20519, 33711, 46931, 56185, 61557, 102595, 140793, 168555, 191029, 234655, 307785, 573087, 703965, 797827, 955145, 2393481, 2865435, 3989135, 11967405, 13563059, 40689177, 67815295, 203445885]

約数ペア:

[(1, 203445885), (3, 67815295), (5, 40689177), (15, 13563059), (17, 11967405), (51, 3989135), (71, 2865435), (85, 2393481), (213, 955145), (255, 797827), (289, 703965), (355, 573087), (661, 307785), (867, 234655), (1065, 191029), (1207, 168555), (1445, 140793), (1983, 102595), (3305, 61557), (3621, 56185), (4335, 46931), (6035, 33711), (9915, 20519), (11237, 18105)]