25740975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 48559392

約数和(自身を除く): 22818417

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 1553, 3315, 4659, 5525, 7765, 16575, 20189, 23295, 26401, 38825, 60567, 79203, 100945, 116475, 132005, 302835, 343213, 396015, 504725, 660025, 1029639, 1514175, 1716065, 1980075, 5148195, 8580325, 25740975]

約数ペア:

[(1, 25740975), (3, 8580325), (5, 5148195), (13, 1980075), (15, 1716065), (17, 1514175), (25, 1029639), (39, 660025), (51, 504725), (65, 396015), (75, 343213), (85, 302835), (195, 132005), (221, 116475), (255, 100945), (325, 79203), (425, 60567), (663, 38825), (975, 26401), (1105, 23295), (1275, 20189), (1553, 16575), (3315, 7765), (4659, 5525)]