15696721875

素因数分解:

$3^1\times 5^5\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:587

約数の個数: 96

約数和(自身を含む): 27138138048

約数和(自身を除く): 11441416173

約数列:

[1, 3, 5, 15, 25, 41, 75, 97, 123, 125, 205, 291, 375, 421, 485, 615, 625, 1025, 1263, 1455, 1875, 2105, 2425, 3075, 3125, 3977, 5125, 6315, 7275, 9375, 10525, 11931, 12125, 15375, 17261, 19885, 25625, 31575, 36375, 40837, 51783, 52625, 59655, 60625, 76875, 86305, 99425, 122511, 128125, 157875, 181875, 204185, 258915, 263125, 298275, 303125, 384375, 431525, 497125, 612555, 789375, 909375, 1020925, 1294575, 1315625, 1491375, 1674317, 2157625, 2485625, 3062775, 3946875, 5022951, 5104625, 6472875, 7456875, 8371585, 10788125, 12428125, 15313875, 25114755, 25523125, 32364375, 37284375, 41857925, 53940625, 76569375, 125573775, 127615625, 161821875, 209289625, 382846875, 627868875, 1046448125, 3139344375, 5232240625, 15696721875]

約数ペア:

[(1, 15696721875), (3, 5232240625), (5, 3139344375), (15, 1046448125), (25, 627868875), (41, 382846875), (75, 209289625), (97, 161821875), (123, 127615625), (125, 125573775), (205, 76569375), (291, 53940625), (375, 41857925), (421, 37284375), (485, 32364375), (615, 25523125), (625, 25114755), (1025, 15313875), (1263, 12428125), (1455, 10788125), (1875, 8371585), (2105, 7456875), (2425, 6472875), (3075, 5104625), (3125, 5022951), (3977, 3946875), (5125, 3062775), (6315, 2485625), (7275, 2157625), (9375, 1674317), (10525, 1491375), (11931, 1315625), (12125, 1294575), (15375, 1020925), (17261, 909375), (19885, 789375), (25625, 612555), (31575, 497125), (36375, 431525), (40837, 384375), (51783, 303125), (52625, 298275), (59655, 263125), (60625, 258915), (76875, 204185), (86305, 181875), (99425, 157875), (122511, 128125)]