51518775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{811}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 107132032

約数和(自身を除く): 55613257

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 121, 165, 175, 231, 275, 363, 385, 525, 605, 811, 825, 847, 1155, 1815, 1925, 2433, 2541, 3025, 4055, 4235, 5677, 5775, 8921, 9075, 12165, 12705, 17031, 20275, 21175, 26763, 28385, 44605, 60825, 62447, 63525, 85155, 98131, 133815, 141925, 187341, 223025, 294393, 312235, 425775, 490655, 669075, 686917, 936705, 1471965, 1561175, 2060751, 2453275, 3434585, 4683525, 7359825, 10303755, 17172925, 51518775]

約数ペア:

[(1, 51518775), (3, 17172925), (5, 10303755), (7, 7359825), (11, 4683525), (15, 3434585), (21, 2453275), (25, 2060751), (33, 1561175), (35, 1471965), (55, 936705), (75, 686917), (77, 669075), (105, 490655), (121, 425775), (165, 312235), (175, 294393), (231, 223025), (275, 187341), (363, 141925), (385, 133815), (525, 98131), (605, 85155), (811, 63525), (825, 62447), (847, 60825), (1155, 44605), (1815, 28385), (1925, 26763), (2433, 21175), (2541, 20275), (3025, 17031), (4055, 12705), (4235, 12165), (5677, 9075), (5775, 8921)]