80374725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{21013}}^1$

素因数の和:21046

約数の個数: 36

約数和(自身を含む): 152435556

約数和(自身を除く): 72060831

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 21013, 63039, 105065, 189117, 315195, 357221, 525325, 945585, 1071663, 1575975, 1786105, 3214989, 4727925, 5358315, 8930525, 16074945, 26791575, 80374725]

約数ペア:

[(1, 80374725), (3, 26791575), (5, 16074945), (9, 8930525), (15, 5358315), (17, 4727925), (25, 3214989), (45, 1786105), (51, 1575975), (75, 1071663), (85, 945585), (153, 525325), (225, 357221), (255, 315195), (425, 189117), (765, 105065), (1275, 63039), (3825, 21013)]