390811725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1231}}^1$

素因数の和:1347

約数の個数: 72

約数和(自身を含む): 750701952

約数和(自身を除く): 359890227

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 83, 85, 153, 225, 249, 255, 415, 425, 747, 765, 1231, 1245, 1275, 1411, 2075, 3693, 3735, 3825, 4233, 6155, 6225, 7055, 11079, 12699, 18465, 18675, 20927, 21165, 30775, 35275, 55395, 62781, 63495, 92325, 102173, 104635, 105825, 188343, 276975, 306519, 313905, 317475, 510865, 523175, 919557, 941715, 1532595, 1569525, 1736941, 2554325, 4597785, 4708575, 5210823, 7662975, 8684705, 15632469, 22988925, 26054115, 43423525, 78162345, 130270575, 390811725]

約数ペア:

[(1, 390811725), (3, 130270575), (5, 78162345), (9, 43423525), (15, 26054115), (17, 22988925), (25, 15632469), (45, 8684705), (51, 7662975), (75, 5210823), (83, 4708575), (85, 4597785), (153, 2554325), (225, 1736941), (249, 1569525), (255, 1532595), (415, 941715), (425, 919557), (747, 523175), (765, 510865), (1231, 317475), (1245, 313905), (1275, 306519), (1411, 276975), (2075, 188343), (3693, 105825), (3735, 104635), (3825, 102173), (4233, 92325), (6155, 63495), (6225, 62781), (7055, 55395), (11079, 35275), (12699, 30775), (18465, 21165), (18675, 20927)]