22991925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 44327520

約数和(自身を除く): 21335595

約数列:

[1, 3, 5, 11, 15, 25, 29, 31, 33, 55, 75, 87, 93, 145, 155, 165, 275, 319, 341, 435, 465, 725, 775, 825, 899, 957, 961, 1023, 1595, 1705, 2175, 2325, 2697, 2883, 4495, 4785, 4805, 5115, 7975, 8525, 9889, 10571, 13485, 14415, 22475, 23925, 24025, 25575, 27869, 29667, 31713, 49445, 52855, 67425, 72075, 83607, 139345, 148335, 158565, 247225, 264275, 306559, 418035, 696725, 741675, 792825, 919677, 1532795, 2090175, 4598385, 7663975, 22991925]

約数ペア:

[(1, 22991925), (3, 7663975), (5, 4598385), (11, 2090175), (15, 1532795), (25, 919677), (29, 792825), (31, 741675), (33, 696725), (55, 418035), (75, 306559), (87, 264275), (93, 247225), (145, 158565), (155, 148335), (165, 139345), (275, 83607), (319, 72075), (341, 67425), (435, 52855), (465, 49445), (725, 31713), (775, 29667), (825, 27869), (899, 25575), (957, 24025), (961, 23925), (1023, 22475), (1595, 14415), (1705, 13485), (2175, 10571), (2325, 9889), (2697, 8525), (2883, 7975), (4495, 5115), (4785, 4805)]