51780555

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{599}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 96033600

約数和(自身を除く): 44253045

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 113, 153, 255, 339, 565, 599, 765, 1017, 1695, 1797, 1921, 2995, 5085, 5391, 5763, 8985, 9605, 10183, 17289, 26955, 28815, 30549, 50915, 67687, 86445, 91647, 152745, 203061, 338435, 458235, 609183, 1015305, 1150679, 3045915, 3452037, 5753395, 10356111, 17260185, 51780555]

約数ペア:

[(1, 51780555), (3, 17260185), (5, 10356111), (9, 5753395), (15, 3452037), (17, 3045915), (45, 1150679), (51, 1015305), (85, 609183), (113, 458235), (153, 338435), (255, 203061), (339, 152745), (565, 91647), (599, 86445), (765, 67687), (1017, 50915), (1695, 30549), (1797, 28815), (1921, 26955), (2995, 17289), (5085, 10183), (5391, 9605), (5763, 8985)]