207831375

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{10867}}^1$

素因数の和:10905

約数の個数: 48

約数和(自身を含む): 396725472

約数和(自身を除く): 188894097

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1125, 1275, 2125, 3825, 6375, 10867, 19125, 32601, 54335, 97803, 163005, 184739, 271675, 489015, 554217, 815025, 923695, 1358375, 1662651, 2445075, 2771085, 4075125, 4618475, 8313255, 12225375, 13855425, 23092375, 41566275, 69277125, 207831375]

約数ペア:

[(1, 207831375), (3, 69277125), (5, 41566275), (9, 23092375), (15, 13855425), (17, 12225375), (25, 8313255), (45, 4618475), (51, 4075125), (75, 2771085), (85, 2445075), (125, 1662651), (153, 1358375), (225, 923695), (255, 815025), (375, 554217), (425, 489015), (765, 271675), (1125, 184739), (1275, 163005), (2125, 97803), (3825, 54335), (6375, 32601), (10867, 19125)]