25071345

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2562

約数の個数: 48

約数和(自身を含む): 49572432

約数和(自身を除く): 24501087

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 2521, 3315, 7563, 9945, 12605, 22689, 32773, 37815, 42857, 98319, 113445, 128571, 163865, 214285, 294957, 385713, 491595, 557141, 642855, 1474785, 1671423, 1928565, 2785705, 5014269, 8357115, 25071345]

約数ペア:

[(1, 25071345), (3, 8357115), (5, 5014269), (9, 2785705), (13, 1928565), (15, 1671423), (17, 1474785), (39, 642855), (45, 557141), (51, 491595), (65, 385713), (85, 294957), (117, 214285), (153, 163865), (195, 128571), (221, 113445), (255, 98319), (585, 42857), (663, 37815), (765, 32773), (1105, 22689), (1989, 12605), (2521, 9945), (3315, 7563)]