39981705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 71086464

約数和(自身を除く): 31104759

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 289, 345, 391, 401, 867, 1173, 1203, 1445, 1955, 2005, 4335, 5865, 6015, 6647, 6817, 9223, 19941, 20451, 27669, 33235, 34085, 46115, 99705, 102255, 115889, 138345, 156791, 347667, 470373, 579445, 783955, 1738335, 2351865, 2665447, 7996341, 13327235, 39981705]

約数ペア:

[(1, 39981705), (3, 13327235), (5, 7996341), (15, 2665447), (17, 2351865), (23, 1738335), (51, 783955), (69, 579445), (85, 470373), (115, 347667), (255, 156791), (289, 138345), (345, 115889), (391, 102255), (401, 99705), (867, 46115), (1173, 34085), (1203, 33235), (1445, 27669), (1955, 20451), (2005, 19941), (4335, 9223), (5865, 6817), (6015, 6647)]