28363725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9697}}^1$

素因数の和:9726

約数の個数: 36

約数和(自身を含む): 54716116

約数和(自身を除く): 26352391

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 9697, 29091, 48485, 87273, 126061, 145455, 242425, 378183, 436365, 630305, 727275, 1134549, 1890915, 2181825, 3151525, 5672745, 9454575, 28363725]

約数ペア:

[(1, 28363725), (3, 9454575), (5, 5672745), (9, 3151525), (13, 2181825), (15, 1890915), (25, 1134549), (39, 727275), (45, 630305), (65, 436365), (75, 378183), (117, 242425), (195, 145455), (225, 126061), (325, 87273), (585, 48485), (975, 29091), (2925, 9697)]