27641745

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 52970112

約数和(自身を除く): 25328367

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1571, 1955, 3519, 4713, 5865, 7855, 14139, 17595, 23565, 26707, 36133, 70695, 80121, 108399, 133535, 180665, 240363, 325197, 400605, 541995, 614261, 1201815, 1625985, 1842783, 3071305, 5528349, 9213915, 27641745]

約数ペア:

[(1, 27641745), (3, 9213915), (5, 5528349), (9, 3071305), (15, 1842783), (17, 1625985), (23, 1201815), (45, 614261), (51, 541995), (69, 400605), (85, 325197), (115, 240363), (153, 180665), (207, 133535), (255, 108399), (345, 80121), (391, 70695), (765, 36133), (1035, 26707), (1173, 23565), (1571, 17595), (1955, 14139), (3519, 7855), (4713, 5865)]