26621235

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 51723360

約数和(自身を除く): 25102125

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 89, 115, 153, 207, 255, 267, 289, 345, 391, 445, 765, 801, 867, 1035, 1173, 1335, 1445, 1513, 1955, 2047, 2601, 3519, 4005, 4335, 4539, 5865, 6141, 6647, 7565, 10235, 13005, 13617, 17595, 18423, 19941, 22695, 25721, 30705, 33235, 34799, 59823, 68085, 77163, 92115, 99705, 104397, 128605, 173995, 231489, 299115, 313191, 385815, 521985, 591583, 1157445, 1565955, 1774749, 2957915, 5324247, 8873745, 26621235]

約数ペア:

[(1, 26621235), (3, 8873745), (5, 5324247), (9, 2957915), (15, 1774749), (17, 1565955), (23, 1157445), (45, 591583), (51, 521985), (69, 385815), (85, 313191), (89, 299115), (115, 231489), (153, 173995), (207, 128605), (255, 104397), (267, 99705), (289, 92115), (345, 77163), (391, 68085), (445, 59823), (765, 34799), (801, 33235), (867, 30705), (1035, 25721), (1173, 22695), (1335, 19941), (1445, 18423), (1513, 17595), (1955, 13617), (2047, 13005), (2601, 10235), (3519, 7565), (4005, 6647), (4335, 6141), (4539, 5865)]